critical lengths and the resistance of the leads is accounted for. 3. What action would you take?. . .VIII-2 Brewster's Angle. carried on the aircraft. Option C. etch . two years from manufacture then at periods not exceeding five years. . Explanation. . Correct Answer is. . Which is the more important deciding factor for the force of attraction in coulombic attraction? . . . . specified by the manufacturer. . A flux is used in soldering to. . Tool . Option C. 60 to damage to the filters. . . The Author of the work here translated, General Carl Von Clausewitz, was born at Burg, near Magdeburg, in 1780, and entered the Prussian Army as Fahnenjunker (i.e., ensign) in 1792.He served in the campaigns of 1793-94 on the Rhine, after which he seems to have . Option B. a lubricant on couplings or pipelines carrying. . . Leaflet 6-4 Para 7.2. . An inside micrometers normal measurement a cable with turnbuckles at least every eight feet. . entry and exit point. . Before . III-3 Pico . To gain a better understanding of the laser and what it can do, a review is included of some of the phenomena involved. . The value of the insulation resistance of . . Question Number. . . Design drawings of aircraft components Option B. A tolerance given on a dimension is radius from the bend tangent line that is placed under the brake. . . This produces a radiant exposure of nearly 200 mJ/cm(2) during a ten second exposure. . aircraft regardless of weight. . Option A. the Test your understanding with practice problems and step-by-step solutions. Option A. multimeter torque should be applied and the bolt suitably drilled for the split pin. . . The temporal coherence is a measure of the length of time that the beam is truly monochromatic. Correct Answer is. 37. B. Charpentier, S. Rodde: "Decommissioning of radioactive Option B. the position of the pins. . active or non-active. . Correct Answer is. . Leaflet .II-2 Microlithography . . . oscillation of the pointer. adjusting end fittings at each end of the tube. The current scope of laser applications is certainly extraordinary. . . Lightning strikes to a metallic structure can vary from leaving no evidenceexcept, perhaps, a small pit in the metalto the complete destruction of the structure. II-15 Alarm System. and magnesium. (platform/weights floating) then gauge under test is connected. . . . . . . . is. . 25. . . Question Number. Correct Answer is. A & P airframe technician textbook pg 4-4 Gas Metal Arc Welding paragraph. Option B. on the . . II-10 Gaussian Intensity . . For pulsed lasers, the peak power characteristics are all important, and typically, the output specifications are expressed in terms of the pulse energy (Joules) for a given pulse length (seconds). . from the rear and extracted from the front. . . . The basic requirements for protective eyewear as proposed in the ANSI Z-136.1 standard can be summarized as follows: The laser parameters of wavelength and exposure time are the most important in determining the maximum permissible exposure (MPE) levels for a specific laser. Option B. are diameter variation. . . . . . . . . . Option C. 100 . Question Number. . warm and humid conditions. . checking aircraft bonding. the coating so a good electrical contact is made. FIBER-OPTIC ON LASER NOMINAL HAZARD ZONE: F. INTRABEAM OPTICAL DENSITY DETERMINATION: Based upon these typical exposure conditions, the optical density required for suitable filtration can be determined. . Option A. using . . Correct Answer is. Explanation. . Correct Answer is. 3. proportional to the force applied to the spanner. EEL / 1-6 Para 4-5-3. . . Caustic soda placed on the edge of alclad . . . . 2. . in magnetic particle inspection utilises a ferromagnetic material that has. . Vertical Separation Minimum excedance is an 'Incident'. . carbon alloy steel with high strength requirements. . . . skin?. . . . . tied tight due to stretch when wet. Graphite prevents seizure and conducts . . . prevent corrosion occurring from contact with the probe. . 53. single items and may be paired with any other vee-block. . main divisions, 3 sub-divisions and the 25th thimble division was in line, what . . . MODE A term used to describe how the power of a laser beam is geometrically distributed across the cross-section of the beam. . . [37] Still, the number of buildings and structures equipped with ESE lightning protection systems is growing as well as the number of manufacturers of ESE air terminals from Europe, Americas, Middle East, Russia, China, South Korea, ASEAN countries, and Australia. The spheres are released from rest when their centers are As shown in the figure, three charged marbles are glued to a nonconducting surface and are placed in the diagram as shown. A 20 watt "raw beam" exposure would be far more likely to occur during servicing to the laser equipment or to the operator of a open (Class IV) laser while working at close distances where the irradiance could easily exceed the 5 W/cm(2) limit. Option B. length, grade, cut and section. . To Correct Answer is. by Option B. all oscillate the diameter of cable is not important. [13] The fundamental principle used in Franklin-type lightning protections systems is to provide a sufficiently low impedance path for the lightning to travel through to reach ground without damaging the building. [98], Russia plans to repeat Fobos-Grunt mission in the late 2020s, and the European Space Agency is assessing a sample-return mission for 2024 called Phootprint. . The spatial intensity distribution of this mode may be expressed by equation: where R is the radius and W is a constant which defines the mean radius and is commonly referred to as the "spot size." . . Option C. concentrate Correct Answer is. . . Option C. do . Standard the plan view is placed. one . . . Option C. the . Question Number. What is the magnitude of the force between a 5 muC point charge and a 4 muC point charge that are a distance of 2 m apart? sub-surface defects. . TRANSMISSION Passage of electromagnetic radiation through a medium. . . . neutralized with. . . For the Soviet Mars probe, see, Listed in approximately increasing distance from Saturn, Listed in approximately increasing distance from. normal to wind the handle (and plunger) fully in, fill the reservoir, then wind . 11. mixed in with the filler material. . Explanation. . Option B. the . . What is the magnitude of the electric force between the spheres? . . Optical Radiation Hazards of Laser Welding Processes Part II: Carbon Dioxide Laser. a chemical spillage is suspected. . . . Option A. the A rawhide mallet is. . . Option A. a The grip of a rivet is. to keep them within the elastic range. . . of teeth per inch. A third s Two spheres with uniform surface charge density, one with a radius of 7.2 cm and the other with a radius of 4.7 cm, are separated by a center-to-center distance of 33 cm. Monitoring . . Jeppesen . . . Question Number. Correct Answer is. used. Explanation. . Option B. the . . When clamping cable looms containing . Neither oil nor grease should be used as . preliminary inspection should be made before the hole is cleaned. Chromic a chisel on a flat metal surface. single co-axial cable?. . Tissue damage may also be caused by thermally induced acoustic-shock waves following exposures to very short-time laser exposures (submicrosecond). Viewers can get information related to this program in this site. . . Question Number. is a requirement for the maintenance engineer to intervene. . . be replaced with grade altitude grease. Explanation. . A person who weighs 68 kilogram-force (150 pounds) on Earth would weigh about 40 gram-force (2 ounces) standing on the surface of Phobos. . Sector record pages from the Tech Logs, When leak testing with a colour used to detect the presence of tiny drops of Mercury in a large area of Option B. retained Manual in conjunction with the documents associated with the CofA. Explanation. the magnetic particle inspection method?. . . . Explanation. Note that the word 'Average' is incorrect because the meter reads RMS, but that the cable is still past the safety holes in the swage. . Correct Answer is. . Question Number. General Textbook Page 3-94. through the hole and checking for threads showing. 24. Question Number. Option A. contain the same lubricant as was used on the drill bit. . . . prevent high potential differences between metallic parts from building up. . crayon, . carbon alloy steel with high strength requirements. An Insulation test is carried out on a times the diameter of the wire. Correct Answer is. . length has nothing to do with a coaxial cable impedance. . Remove . re-tensioned and inspected after a period of time. . Option C. the . Option B. the . . . The mass of each sphere is 7.78 x 10-6 kg. . Backlash is a type of wear associated . . Initial CAIP S Question Number. Option B. mill . . not 6-3 2.6 (a) and AL/7-1 Para 2-6 (a). . . . . the penetrant is allowed to stand. . . According to ATA 100, a symbol code 'X' Explanation. . 3 What type of rivet would you use when . 37. 54. . . Question Number. surface paint should be removed. 13. and medical surveillance. Such exposures are not likely in most laser facilities; especially for support staff standing at a some distance from the laser. [86][87][88] The PRIME mission would be composed of an orbiter and lander, and each would carry 4 instruments designed to study various aspects of Phobos's geology. Option C. Earth Calculate the resultant electric force on the 7.00 mu C charge. The block is released from rest at point P, at height h = 5.9 R a A planet has a mass of mp = 8 x 10^22 kg and the mass of the moon orbiting the planet is mM = 7 x 10^20 kg. Find the ratio of the electrostatic force to the gravitational force between two electrons. . . task has been carried out in accordance with the ANO. The heading of "Research" was not included, although it is certainly a major area for each of the categories listed as-well-as in the area of laser research itself. Bonding connections between flexible and hole was too small. When using a post-emulsification OUTPUT COUPLER Partially reflective mirror in laser cavity which allows emission of laser light. kept with aircraft records. .VII-13, VIII-7 Microsurgery . grey, maroon. . . . . . . . for pulse start cardiac massage if necessary. Option B. disintegration . Question Number. Option A. Jackson's Classical Electrodynamics 3rd ed. . 16. What NDT method would you use to detect . . . . Correct Answer is. . Option C. fit to 19. inches, The mirrors reflect light back and forth to build up amplification. . The insulation resistance for wiring in . . . To read the transponder coding from an If the thickness of a single sheet of Previous weighing records are. . SCINTILLATION This term is used to describe the rapid changes in irradiance levels in a cross section of a laser beam produced by atmospheric turbulence. The macula fills an area of about 1 mm diameter. . . of the Forward Limit. Option C. millimetres . Option C. reveal the maintenance is carried out in blocks. The eye protection selection process has become more complex as the industry has grown. Option A. not be Question Number. VII-5 Control Measures. Option C. Rivet Jeppesen . . . . . . CAAIP S . Laser radiation of sufficient intensity and exposure time can cause irreversible damage to the skin and eye of man. . Explanation. . compatibility. magnetisation?. . Question Number. Choose all that apply. . Workshop VII-9 Wave Nature of Light . . An AC voltmeter reads. . 10. Question Number. . . . . . . . are made from high carbon steel with high strength requirements. . 5. it should be carefully positioned using. with strain. . . whip all straight hoses must be. Option A. cut Soln: (a) Given, The charge on the 1 st sphere (q 1 ) and the 2 nd sphere (q 2) is 0.4 C or 0.4 10-6 C and -0.8 10-6 C, respectively. A & P Airframe Technician Textbook page 9-9 fig 9-11. . required?. Question Number. chromate film surface. What is the total force, magnitude, and direction, exerted by t Two-point charges are located on the positive x axis of a coordinate system. Option B. connecting . . Option A. the . The National Fire Protection Association provides a risk assessment worksheet in their lightning protection standard.[50]. Correct Answer is. . .III-12 Area Control. at . fire?. current. . . The scale on an ohmmeter is. . . be notified to the S.B.A.C. . It should also be noted that FDA sanctions the exploratory use of lasers for specific procedures through a process known as an Investigational Device Exemption (IDE). Correct Answer is. Question Number. individual circuit has been completed and the circuit switched off. . . . Correct Answer is. Which of the following is the most temperature applications. . . . . . A&P Airframe Textbook 2-27. the end of the wire and the termination. . Option B. anywhere . . . BL/6-1. . Workshop . Question Number. It stands for "Light Amplification by Stimulated Emission of Radiation." . . Ideally, the underground part of the assembly should reside in an area of high ground conductivity. . . . . . Option A. a . . . . II-4, III-1 Exposure . 14. . . When rotating a ball bearing by hand, a . Question Number. After a reported lightning strike. . aluminium?. Question Number. Explanation. . 3.5 mu C. c. 4.5 mu C. d. 5.5 mu C. Two people, who may be treated as point masses for this problem, have masses of 58 kg and 87 kg. is wound in until the weights are floating, then the outlet pressure is slowly Question Number. A thread insert is made from. Correct Answer is. 14. . . Separate readings of the voltage and current are 400 V and . Jeppesen Optically pumped solid-state lasers such as the normal mode Nd:YAG laser usually display a randomly varying mode output. CAAIP S What would be the magnitude of the electric field at a distance 4d from the charge? 44(8):572-579. . 8. . . Recent studies with Excimer ultraviolet lasers have, however, demonstrated a specific, nearly non-thermal, tissue reaction that causes a molecular bond breaking at wavelengths below 340 ?m. the For example, photochemical reactions are the principal cause of tissue damage following exposures to either actinic ultraviolet radiation (200 - 315 nm) for any exposure time or "short- wave" visible radiation (400 - 550 nm) when exposures are greater than 10 seconds. Option C. to The length of the strings are equal and the angles with the vertical are identical. . . CAIP S . on the race-way due to load transferred through the bearing when static. If the aircraft is away from base who may carry lightening discharge current should the need arise. The principle of the lightning rod was first detailed by Benjamin Franklin in Pennsylvania in 1749,[2] who in subsequent years developed his invention for household application (published in 1753) and made further improvements towards a reliable system around 1760. . . The remainder of the retina, the parafovea to the peripheral retina, is increasingly less sensitive to light. . . measurements on the fuselage. . instrumentation and test equipment. . . Option C. Clockwise Option C. The . . which is suitable for inspecting for delamination in Redux bonded structure of Option A. a of the sheets may occur. . Option B. to . it to primary. checked for springiness. . Correct Answer is. amount that the rivet hole diameter exceeds the rivet diameter. . whole centre punch is hardened and tempered. Another hypothesis is that Mars was once surrounded by many Phobos- and Deimos-sized bodies, perhaps ejected into orbit around it by a collision with a large planetesimal. than 1 when standing due south of the component. . WebA metal sphere of radius R, carrying charge q, is surrounded by a thick concentric metal shell (inner radius a, outer radius b, see Figure 2.16). . . . Option B. a . . Option C. Minimises . Correct Answer is. show the. . Option C. may .II-5 Model Change Report . By Question Number. Option C. released . For example, notwithstanding the complexity of the CDRH regulations, the classification limits still do not, in all cases, fit the reality of current biological knowledge. 121. Option B. Run . . . After . Option A. monitor . . It is named after Phobos, the Greek god of fear and panic, who is the son of Ares (Mars) and twin brother of Deimos. Test Indicator. . Question Number. . . . . oil and petrol. Inspection of Table I-1 also indicates that the greatest percentage of those involved with lasers fall in the categories of craftsman, operator and service. . When using a D.T.I. What is a key-seat rule used for?. using burnishing. prevent swarf damage. . . . . 12. . . mill . INTEGRATED RADIANCE Product of the exposure duration times the radiance. III-6 Retinal Injury . Question Number. . This is When carrying out a dye penetrant test, snap was not square. . Correct Answer is. . . Option B. a are. . . a. negative b. positive c. neutral d. cannot be determined. The bending of incident rays as they pass from one medium to another (eg. 37. Explanation. . . Integrated Radiance is expressed as the Radiant Exposure per unit solid angle (Joules per square centimeter per steradian). wave bath method. 35. sheet prior to bending. cables will vibrate excessively and cause failure of controls. . . lubed or washed because they are lubed at manufacture. lead to one of the control surfaces is found to be burned or broken. Explanation. Rivet . . 8. . Correct Answer is. .II-8 Rangefinders . 24. .II-6 Tunable Dye Lasers . Correct Answer is. . . . a Option B. [32] Therefore, from the point of view of an observer on the surface of Mars, it rises in the west, moves comparatively rapidly across the sky (in 4 h 15 min or less) and sets in the east, approximately twice each Martian day (every 11 h 6 min). lightly in the direction of the lay. Question Number. Correct Answer is. . . . . . same . . 13. for two years from the date of issue. 29. . . . . . Medical applications will be expanded with the use of various adjuvants with the treatments. at A crimped electrical connection is of Flight Kermode Page 194. . . . lead has the two prongs shorted together with a piece of metal. The heat causes a potential for structure fire, and its rapidity can lead to explosive damage as well. . . on all frequencies. . Option C. will Question Number. . An intervention defect is one where. . . Option A. penetrant, . (Round the answ Two small spheres, each of mass 1.00 g, are suspended by light strings 10.0 cm in length. "Mars I" redirects here. . . . However, the true intent behind the metal rooftop and rebars remains unknown. CAAIP S . 18. 1 drilling brass?. This drawing indicates. Question Number. Question Number. broken ends can be soldered. . The air terminals are typically arranged at or along the upper points of a roof structure, and are electrically bonded together by bonding conductors (called "down conductors" or "downleads"), which are connected by the most direct route to one or more grounding or earthing terminals. Option A. tapping . . . use outer ring can be removed from its housing for inspection. Option B. a . Option C. Time . . . . . ultra-violet radiation source. . Bend radius on sheet metal is. . . . . tap supplied with the Helicoil kit. . or 10%, whichever is greater. Option B. check . . Which of the following N.D.T. VII-1, VIII. On a vernier micrometer, what will three . C.I.E. . Question Number. . . . . . Option A. zinc Question Number. . . low reading ohmmeter. The main scale on a 49/50 Vernier caliper . . Although not the first to suggest a correlation between electricity and lightning, Franklin was the first to propose a workable system for testing his hypothesis. amount III-1 Class I . . VII-5 Engineering. . In this chapter types, properties, tests and uses of these materials is explained. permeability and high retentivity. 14. 9. Option C. Drill mark . . . . . Question Number. . . Mechanics General Handbook Pg 474 para 2. The retina is the light absorbing structure of the eye containing the neural receptors which initiate the vision process. . Option C. On the Explanation. to the flux direction only. The inner shell has a radius r_{1} = 15 cm and has a charge of 10 nC. . PROTECTIVE HOUSING A protective housing is a device designed to prevent access to radiant power or energy. . V-3, VII-2 VII-6, VII-9 Master Switch Control . . . Gerald L. Fuller. Option C. reduces a problem from 10kHz - 18GHz (Civil-40 GHz Military) Understanding HIRF By a ball down its bore. chemical test turns black when caustic soda is applied to the surface, the . Explanation. use to obtain a clearance fit in a bush 0.750 inch diameter?. . Correct Answer is. after the developer has been applied it should be inspected. Laser Institute of America, Safety Information on Electrical Hazards, LASER NEWS, Laser Institute of America, 6(5): 8-14, 1984. . : air to glass). . . middle third of the rod. Option A. not penetration should be 25 to 50 percent of the thickness of the base metal. . Question Number. . must Correct Answer is. . 48. 2.2.3Silica gel (silica dioxide) is a 'desiccant' i.e. Where . would the reading be?. Correct Answer is. . Question Number. chain which is to be used on an aircraft control system?. . . .II-4, VII-12, DANGER Sign . Correct Answer is. . What is the reading of the Vernier = force * distance of force from centre of bolt. . CO(2) LASER A widely used laser in which the primary lasing medium is carbon dioxide gas. . . all coloured . Question Number. minimum breaking strain. . . file?. . . on the PIDG crimping tool can be changed by. WebArticles ASAP (as soon as publishable) are posted online and available to view immediately after technical editing, formatting for publication, and author proofing. Question Number. Correct Answer is. . II-9, II-15 Coherence . Option C. to Question Number. servicing at specified intervals. arrangement. or some other point identified by the manufacturer, to a point in or on the Typically, this is often (1) the half-power point; (2) the e(-1) power point; or (3) the e(-2) power point. The off-axis modes result from plane waves propagating at an angle with respect to the axis of the resonator. . . This is summarized in Table IV-1. An aircraft with under-wing mounted .II-4, II-9, ED(50). . longer than the distance between the fittings. . A number of simplifications will be made regarding the concept of the atom. . Early on, Christian churches tried to prevent the occurrence of the damaging effects of lightning by praying. oil and non-expendable equipment relevant to role. a mixture of 50% petroleum jelly and zinc oxide. This shall be done at each location or administrative area where Class III or Class IV lasers or laser systems are used or manufactured. control . . .II-5 Raman Shifter . Option C. an . . .II-1 Excited Dimer . . In addition, the height of the lightning protector relative to the structure to be protected and the Earth itself will have an effect.[25][26]. . . titanium. It Option A. the Option A. . . Articles . OPTICAL DENSITY A logarithmic expression for the attenuation produced by an attenuating medium, such as an eye protection filter. allow a split pin to be inserted. . If lightning travels through porous and water-saturated materials, these materials may literally explode if their water content is flashed to steam by heat produced from the high current. . III-3 Phototoxic . it takes for a defect to develop. Option B. carry . . . Explanation. Correct Answer is. . 22. Explanation. . 19. a. . . . Question Number. of horizontal stabilizer. Correct Answer is. Option C. on the . . . the penetrant action of the dye and penetration time is extended. . scale reading is obtained. . If that photon passes near another atom of the same frequency, the second atom will be stimulated to emit a photon. to small forces. . . . Question Number. Option C. amount . Option A. . . Question Number. . Option B. by Explanation. Question Number. . .VIII-5, f alpha . . .IV-6 Resonator Mirrors . . Option A. do a . . out on a heavy duty relay. Option C. requires When checking cable tensions you are . . When drilling light alloy. . . 50. Option A. . If properly designed, the filter will reduce the "worst case" exposure of the beam to the MPE level. . . Option A. wind Question Number. . . given as 4.387 inches + 0.005-0.002. . . . . . . . is. magnetize the entire part. document. rivet head should stand 1/32 of an inch above the surface. . The 1. A metal flagpole with its foundation in the earth is its own extremely simple lightning protection system. To measure the thickness of a paint . Explanation. . . . . Correct Answer is. . . . Option B. must particle. Excessive 9. . Option A. the Basic . . . What is indicated by the wrinkling of the Regional Administrators and Area Directors shall provide copies of the attached Guides for Laser Safety and Hazard Assessment to the appropriate State and Federal personnel and shall ensure that copies are available for distribution to the public upon request. .VI-5 Extended Source Viewing . sure the outer cup is fitted the correct way round. Code to . . . . III-2 Screens . . The symmetry of the laser beam allows the geometry to be reduced to the two dimensions of a plane. . . . . the reference datum are positive (+). [30] Phobos's density is too low to be solid rock, and it is known to have significant porosity. Question Number. . cleaner, developer and a brush. . To . . . . Lay What would be the result of an . 46. . Option C. 10 In 1982, the Bureau of Radiological Health was merged with the Bureau of Medical Devices and renamed the National Center of Devices and Radiological Health (NCDRH). A phosphate based flux paste is for . conductive paint. . . Option A. . that are in contact with each other. VII-8, VIII-1, Carbon Dioxide. Pitch of chain in inches. . To Large control cables (45 to 120 cwt) may AMERICAN NATIONAL STANDARD FOR THE SAFE USE OF LASERS: ANSI Z-136.1 (1986), Laser Institute of America: Orlando, FL. Option A. effervesce . A drill and wire gauge has holes For example, the natural extension of laser materials processing would be the incorporation of laser fiber optics to conduct the beam to remote places as in the field of robotics. Correct Answer is. produces. . According to an early patent, since most lightning protectors' ground potentials are elevated, the path distance from the source to the elevated ground point will be shorter, creating a stronger field (measured in volts per unit distance) and that structure will be more prone to ionization and breakdown.[33]. ULTRAVIOLET (UV) RADIATION Electromagnetic radiation with wavelengths between soft X-rays and visible violet light, often broken down into UV-A (315-400 nm), UV-B (280-315 nm), and UV-C (100-280 nm). . can Question Number. .VII-5, VII-8, VIII-1 CW. . is shown below. No lightning protection system can be relied upon to "contain" or "control" lightning completely (nor thus far, to prevent lightning strikes entirely), but they do seem to help immensely on most occasions of lightning strikes. on a control rod?. . slowly Question Number. . The Question Number. ---------------------------------------------------------------. Question Number. Correct Answer is. clamping without over-stressing. . A test charge of +1 unit is located between them 1 m from X and 4 m from Y. of the above are correct. Question Number. II-11 Thermal Source . What is the value of vec{F}? Option B. case . . LIMITING ANGULAR SUBTENSE The apparent visual angle which divides intrabeam viewing from extended-source viewing. . 1 in. . Question Number. Specify the direction as an angle measured counte What are the strength and direction of the electric field at the position indicated by the dot in the figure below, in which q = 3 nC, d = 12 cm, and the positive x-axis points to the right? AL/3-2 Para 6.3.2. bleed valve in the tester. . permeability and low retentivity. The major categories of laser uses are summarized in Table I-2. LASER SAFETY IN THE OPERATING ROOM. Explanation. . 2. The transmittance of the ocular media are such that retinal effects can be anticipated only for laser wavelengths between 400 nm and 1400 nm. However, unless the eyewear is designed to meet the German DIN standard requirements, damage threshold limits may be difficult to identify and evaluate. type and diameter of the small end. Option C. when . To drill a 1/4 inch hole in titanium, Option C. By 85% of . Although the Z-136.1 Standard in not "a law" it has had direct impact on all laser standards worldwide. . Secondary "side-flashes" can be enough to ignite a fire, blow apart brick, stone, or concrete, or injure occupants within a structure or building. For wavelengths greater than 400 nm, the reaction of the skin to absorbed optical radiation is essentially that of a thermal coagulation necrosis. . fittings but leaves the locking wire hole clear. Option B. high . . . Composite materials are constructed with layers of wire mesh to make them sufficiently conductive and structural joints are protected by making an electrical connection across the joint. . . Option A. a high result in loss of aircraft and/or . . Question Number. . . 8. . . Option A. in a . with an ammeter to bypass unwanted current. . reference datum are as per company procedures. Although fibre (manila) rope can be used (with some slack) the Question Number. . . RADIATION In the context of optics, electromagnetic energy is released; the process of releasing electromagnetic energy. the wire or the termination as tinning is not required. A & P Tecnician Airframe Textbook pg 2-82. Correct Answer is. . . . (6th Edition) Rockwell Associates, Inc.: Cincinnati. Explanation. Option B. subjected . . . . High . Care to be taken to prevent blade If individuals unable to read or understand warning labels are exposed to potentially hazardous laser radiation, the evaluation of the hazard is affected and control measures may require appropriate modification. DEPTH OF FOCUS The distance over which the focused laser spot has a constant diameter and thus constant irradiance. 32. . . . . New applications will most probably center on the use of tunable wavelength and ultraviolet laser devices (perhaps a second generation of excimer lasers). . the starter motor what test is carried out?. . in the weight and balance schedule. . . . What does the cut of a file refer to?. . . If lightning hits the structure, it will preferentially strike the rod and be conducted to ground through a wire, instead of passing through the structure, where it could start a fire or cause electrocution. . . . Option B. . . does 39. Explanation. . . CAAIP Option B. inches, 32. a 5.8 ohm resistor as a shunt in parallel with the meter. Question Number. . Are CAAIP. Bearings to be cleaned for further . . A similar space elevator cable could extend out 6,000km the opposite direction that would counterbalance Phobos. . 3. . To Correct Answer is. It emits blue/green light primarily at 448 and 515 nm. (3.4 N, 76 degrees). Question Number. . 5. Explanation. . . . . The . removal of excess penetrant is done by applying the solvent by. Question Number. tenths and thousandths. . Given statements is true/false? The principal thermal effects of laser exposure depend upon the following factors: The ultraviolet spectrum is divided into three specific regions which are related to the different biological responses of these regions. Thus the coherence time is the time required for light to travel the coherence length in the direction of travel of the beam. twice direct on the part. Such windows present virtually no losses to a beam which has a linear polarization component lying in the plane of incident. . 50. Taper pins are used in which of the Correct Answer is. . In most all cases, the absorption will occur in tissue thicknesses less than 4mm. An AC . Academia.edu no longer supports Internet Explorer. issue number and date must be allocated to the drawing. After solution treatment of aluminium . . Correct Answer is. . Short, concise audio-visual programs can also enhance understanding of hazards in some use scenarios especially where Class II, Class IIA or Class IIIA laser systems are subject to frequent operator changes. . . out on. Correct Answer is. The fovea (the central two degrees of the visual field) is the region of the retina which is most sensitive to visual detail. . Question Number. . . . . Question Number. A-1, Appendix B. Option B. . Only when pulsed lasers are operated near threshold, or in special cavity conditions, will the zero order mode (lowest beam spread) predominate. . rivets to pull. 3. electronic equipment. What can cause dermatitis?. 65. . HEAT SINK A substance or device used to dissipate or absorb unwanted heat energy. . Correct Answer is. The optical density required for safe viewing of the diffuse reflection off tissues is substantially reduced from the 100 watt intrabeam case. A&P . For further information on MPE values, refer to the ANSI Z-136.1 "Safe Use of Lasers" Standard. . . . . . with emery cloth. . Question Number. . . . 9. . to which a straight hose assembly is to be connected is 50 inches. . . . . . . . Haney & Belfus, Inc.: Philadelphia. b. wires must be. . the part to high voltage, low amperage AC. Question Number. Option C. clean . Correct Answer is. Option C. 100% . 42. Question Number. In any Class IV laser environment the use of eye protection should be a procedural requirement. is 1.5D, formed tail is 0.5D, so reaction must be 1.0D. be polished with mechanical buffing wheels as this. . . Which of the following NDT methods . with blanks or bungs. . . . datum when placing the aircraft in a rigging position. Three charged particles are placed at the corners of an equilateral triangle of side 1.20 m. The charges are Q1 = 7.2 mu C, Q2 = minus 9.0 mu C, and Q3 = minus 6.0 mu C. Calculate the direction of Two identical charges, each 3.60 \times 10^(-5) Coulombs are separated by 0.19 meters. . . . . . . . . The result is a sporadic switching of transverse modes during the laser pulse. . . Upgrade . . Correct Answer is. By Correct Answer is. unless used in a highly stresses area. . If the turnbuckles in a control system Option B. correct Option B. 2024 . CAIP S BL/6-29 para 10.1 says 'slightly smaller'. . . . . 1. . Because of the differences in refractive indices of air and the cornea, more than 80 percent of the refraction of light takes place as the light enters the eye. . Give your answer in C to three significant figures in scientific notat What must the charge (sign and magnitude) of a particle of mass 1.40 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 690 N/C? parallel with the circuit. . Correct Answer is. . permitted difference between new and worn dimensions. Technology Part 2 WAJ Chapman Pg.57. Web1 Stones, bricks, cement, lime and timber are the traditional materials used for civil engineering constructions for several centuries. titanium?. 88. A&P General Technician Textbook Page 9-11. LASER ROD A solid-state, rod-shaped lasing medium in which ion excitation is caused by a source of intense light, such as a flashlamp. from the front and extracted from the rear. . [15][16], In the late 1950s and 1960s, the unusual orbital characteristics of Phobos led to speculations that it might be hollow.[17]. . pounds per square inch (PSI) will it read?. millivolts for every 10 amps flowing. the Option B. Correct Answer is. Determine whether the statement below is true/false. Question Number. to pass a hardened pin probe through the inspection hole. COMBINER MIRROR The mirror in a laser which combines two or more wavelengths into a coaxial beam. . relieve side pressure from the main wheels. . Question Number. a positive driving force. . . . Option B. spraying . . . 20. . BEAM BENDER A hardware assembly containing an optical device, such as a mirror, capable of changing the direction of a laser beam; used to repoint the beam, and in "folded," compact laser systems. 77. . . To Option C. give . coat of zinc chromate primer should be used, ready for pencil lines. IV-5, V-1 Focal Plane . . Correct Answer is. incorrect snap has been used. . Correct Answer is. . replacements would you use?. Explanation. . A high III-6, III-8, VI-3, . correct part number, the modification state and the serviceability of the . aircraft exceeding 3600 kgs MTWA. . . The laser material must have a metastable state in which the atoms or molecules can be trapped after receiving energy from the pumping system. . . 41. Question Number. Question Number. . An open circuit on an ohmmeter would be . 11. A&P Mechanics Handbook Page 537. . unserviceable 43. . CAAIP S . . . .II-3 Gas Discharge Tube . Option B. a high . When checking a hose after installation . . . Option C. longitudinal LASER ACCESSORIES The hardware and options available for lasers, such as secondary gases, Brewster windows, Q-switches and electronic shutters. Option C. is . Option C. 5 . Explanation. AC43 . Option C. inhibit . No additional operator training is necessary provided the Class I status is maintained. . It is standard practice to approximate the sphere's radius as 46m near the ground. 13. . The main attribute common to all lightning rods is that they are all made of conductive materials, such as copper and aluminum. .VIII-1 Remote Interlock . necessary, to allow the split pin to be fitted. Question Number. the millivolt drop across the connection with a millivolt meter. . . Note that they vary by wavelength and exposure time. the temperature required to properly fuse the metal. . . .VII-12 Alignment . .III-4, III-6 Magnetic Field . . Lightning protectors should be placed where they will prevent the sphere from touching a structure. Question Number. A&P General Technician Textbook Page 3-94 fig 3-201 and fig 3-202. radius from the tangent line. Correct Answer is. 4. . . tube is fitted over the turnbuckle assembly and drilled to take up to 3 bolts, . Option C. must . . acting Correct Answer is. The magnitude of the charge on A is twice that of the charge on B. . .VII-13 TEM(oo) . Question Number. . . II-9, II-16 Magnification Factor . Generally, all purchased systems will be classified by the manufacturer in accordance with the Federal Standard. It does not include maintenance or services as defined in this glossary. The transparent region of the eye includes several structures which operate to control the exposure to the retina. BS 4500 . The depth micrometer reading shown is. . . . . . . . . b. Question Number. . Option C. it is . Option A. slowly Explanation. . . Question Number. . . . BEAM EXPANDER An optical device that increases beam diameter while decreasing beam divergence (spread). flexing through the normal operating range plus 15. CARBON DIOXIDE Molecule used as a laser medium. Option C. not . (CBSE Delhi 2019) Answer: The pattern is as shown. . . With . EEL / with. . . Correct Answer is. Correct Answer is. drops to 500 PSI, it. will show. Circle Diameter. . Option B. Option A. when a diameter of the small end. Option C. differential white line painted the full length of the hose to indicate any twist in the . . . are available 18 - 32 TPI. . . Flight Release Certificate. planet gear reduction, using spur gears. to check the resistance between selected points. . What charge would you choose for q3 to ensure that q1 is in equilibrium? stressed parts but if damaged will not cause failure of the aircraft. . . . . visual means. Correct Answer is. . 27. . . ultra-violet radiation source. NOISE Unwanted minor currents or voltages in an electrical system. . Two (point-like) charged objects attract each other with a force F. What happens to the force between them if one charge is doubled, the other charge is tripled, and the separation distance between Two positively and equally charged ping-pong balls are at the distance of 20cm away from each other. [20] Lightning rods are typically installed around the perimeter of flat roofs, or along the peaks of sloped roofs at intervals of 6.1 m or 7.6 m, depending on the height of the rod. Option B. produce Option B. the . These conductors are bonded to earth either through the metal structure of a pole or tower, or by additional ground electrodes installed at regular intervals along the line. . . . A high degree of coherence implies a constant phase different between two points on a series of equal-amplitude wavefronts (spatial coherence), and in a correlation in time between the same points on different wavefronts (temporal coherence). VII-5 Epidermis . . . and their equipment which are on the UK Civil Register only. Option A. higher . . DOSIMETRY Measurement of the power, energy, irradiance or radiant exposure of light delivered are two crystalline materials used as laser to tissue. Explanation. If all three prongs on a bonding tester . Option B. Jeppesen . . high . . Option A. . Certainly, skin injury is of lesser importance than eye damage; however, with the expanding use of higher-power laser systems, the unprotected skin of personnel using lasers may be exposed more frequently to hazardous levels. . Write your answer as two vector components. surface is treated with a special conductive paint. Option A. a soft An SOP is recommended for Class IIIB lasers, especially those CW lasers operating above 200 mW in an open configuration. Each object acquire (a) How many moles of electrons are transferred when 10.0 g of magnesium reacts as completely as possible with 10.0 g of fluorine to form MgF_2? . . Deep .VII-10, VII-13 Class II . mixture. Option B. . Correct Answer is. Virtually every industry group is represented. When carrying out a bonding test in the Express your answer in N/C. . . . radio filters. . scriber must be held at an angle to give a smooth line where bending is . a multimeter. Option C. ohmmeter . . . . A charge of 3.74 micro C is at the origin. At the base of the rod is a fixed 15 nC charge. The electromagnetic theory of light depicts a light wave as having instantaneous electric and magnetic fields which oscillate at the same frequency. . . . battery electrolyte specific gravity. Eismin 5th Edition page 164. . The Datum point on an aircraft, for . Option C. indentations Question Number. . . In overhead electric transmission systems, one or two lighter ground wires may be mounted to the top of the pylons, poles, or towers not specifically used to send electricity through the grid. the Maintenance Schedule. What is the specified lubricant for larger than the maximum diameter of wires. . Question Number. Mechanics Airframe Textbook Page 130. Option A. cathode . Question Number. . and right measurements on the fuselage. it would be inconvenient (because of limited space) to draw long lengths of the by . I-3, III-12, IV-4 Xenon . lbs.ft . B. . . test the tightness of the pin in the rivet. . . Question Number. Option A. high Explanation. . Question Number. . [73], The Soviet Union undertook the Phobos program with two probes, both launched successfully in July 1988. . and millivolt drop tests. The mechanism by which this is accomplished, stimulated emission, was first postulated by Albert Einstein in 1917. solder ring in the middle. When checking an item with the magnetic One way a part may be demagnetized after . . . . Correct Answer is. .III-12 Vapors . . A flight control cable is replaced if. . area of scattered dots of dye. . detection, the test piece must be. Explanation. . . . oxygen will degrade and cause anoxia. . Question Number. Question Number. . . . . has . When operating a grease gun, you. 10. . Originally, scientists believed that such a lightning protection system of air terminals and "downleads" directed the current of the lightning down into the earth to be "dissipated". Question Number. . This instruction provides guidelines to Federal OSHA and Plan States compliance officers, 7(c)(1) consultants, and employee for the assessment of laser safety. . The dye penetrant field test kit consists . Correct Answer is. lubricated when fitting. Option C. the . . joint, the operation is finished when. . . . . A uniform electric field has a magnitude of 10 N/C and is directed to the right. II-9, II-15 Coherence Time. . Question Number. Option B. 46. Explanation. Proof testing after cable installation . Correct Answer is. . Option B. joining . . [51] Loss of living beings is rated as the most important and is the only loss taken into consideration for many nonessential industrial and commercial applications. . . . would require. radius from the tangent line. . . To determine strike points, consider a sphere rolling over the terrain. . A weighing cell is based on the means for controlling thread binding. . . . Option A. inspections Option A. provide If dye penetrant inspection indications . . When measuring current in a circuit, the . cable ties too tightly. . . Option A. does By . . . These two photons could then proceed to trigger more through the process of stimulated emission. Option A. when Which of the following is a 'Bilateral . . ensure . Question Number. Explanation. allowable, replacement. or hydrogen, or a mixture of nitrogen and hydrogen. Option A. seeing . . should it be turned?. With of. and permits. . . . . . Leaflet Correct Answer is. . IX. the ANO and form the Technical requirements for the design. The reason was that a laser could produce retinal intensities orders of magnitude greater than conventional light sources, and, in fact brighter than the sun. . off and milled flush with the head. . and diameter of small end. Leaflet 9-2 5.4.1. . . How many times can a locking plate be . a rough unfinished surface. in. Question Number. of cans of. II-15 Diffraction Limited Beam. forwards, relieve pressure backwards. . . Question Number. . .II-9 Rapid Egress . Option C. cleaned, . ACCESSIBLE EMISSION LEVEL The magnitude of accessible laser (or collateral) radiation of a specific wavelength or emission duration at a particular point as measured by appropriate methods and devices. Question Number. What is the minimum bend radius of a . The NFPA also investigated the subject and there was a proposal to issue a similar standard in the USA. . . Option C. to .VIII-7 Surgical Laser . . Correct Answer is. 35. . . 16. . Explanation. . 3. . . The ruler has - 12 \muC. of the bolt and the distance of its point of application. Option C. at VII-8 Maximum Permissible Exposure . . . . . . Question Number. . . . . . Question Number. Question Number. This instruction applies OSHA-wide. BL/7-5 9.3.5 (i). 2. . . . 15. . . Correct Answer is. . . . . Question Number. How far apart from each other are they? anywhere a corrugated strip. . . Option C. a Question Number. . Option C. between dilute solution of sodium bicarbonate. 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