EASA Part 66 : Maintenance Practice Question1, EASA Part 66 : Maintenance Practice Question2, EASA Part 66 : Maintenance Practice Question3, EASA Part 66 : Maintenance Practice Question4, EASA Part 66 : Maintenance Practice Question6, EASA Part 66 :...

Question Number. 58. What drill angle is used to drill titanium?. Option A. 130-140 degrees. Option B. 105-120 degrees. Option C. 90-100 degrees.

Correct Answer is. 105-120 degrees. Explanation. BL/6-18 Para. 6.

Question Number. 15. When drilling stainless steel, the drill used should have an included angle of. Option A. 140° and turn at a low speed. Option B. 90° and turn at a low speed. Option C. 118° and turn at a high speed.

Correct Answer is. 140° and turn at a low speed. Explanation. Jeppesen A&P Airframe Technician Textbook Page 2-27.

Question Number. 9. In a torque wrench of handle length, L = 12 in. and an extension E = 3 in, the desired torque value is 300 lbs.in. the dial should read. Option A. 240 lb.ins. Option B. 375 lb.ins. Option C. 280 lb.ins.

Correct Answer is. 240 lb.ins. Explanation. CAAIP S Leaflet 2-11 4.4.

Question Number. 1. How many strokes per minute should generally be used with a hacksaw?. Option A. 60. Option B. 30. Option C. 55.

Correct Answer is. 55. Explanation. NIL.

Question Number. 5. How many strokes per minute are used on a hacksaw when cutting thick metal?. Option A. 30. Option B. 65. Option C. 55.

Correct Answer is. 55. Explanation. NIL.

Question Number. 2. What type of grinding wheel would you sharpen an HSS drill bit on?. Option A. A green wheel. Option B. A course wheel. Option C. A fine wheel.

Correct Answer is. A fine wheel. Explanation. A Green Grit (Silicon Carbide) wheel is used for Tungsten Carbide bit tools (Non-steel). For HSS you need a fine Grey Aluminium Oxide wheel.

Question Number. 9. After working with epoxy resins, how is natural oil returned to the skin?. Option A. Epoxy removing cream. Option B. Refatting cream. Option C. Acetone/lanolin mixture.

Correct Answer is. Acetone/lanolin mixture. Explanation. Acetone is used to remove epoxy resin, but it dries the skin, so it is mixed with lanolin to prevent this (same mixture as nail varnish remover).

Question Number. 60. The UK standard of limits and fits is. Option A. BS4500. Option B. BS8888. Option C. BS308.

Correct Answer is. BS4500. Explanation. BS4500 is Limits and Fits.

Question Number. 53. At which frequency is the calibration of frequently used crimping tools carried out?. Option A. Bi-annually. Option B. Annually. Option C. Every 1000 crimps.

Correct Answer is. Every 1000 crimps. Explanation. Or every 3 months, whichever comes first.

Question Number. 21. What is the specified lubricant for drilling brass?. Option A. None. Option B. Paraffin. Option C. Lard oil.

Correct Answer is. None. Explanation. NIL.

Question Number. 26. How should a scraper be finally sharpened?. Option A. By draw filing. Option B. On a grindstone. Option C. On an oil-stone.

Correct Answer is. On an oil-stone. Explanation. NIL.

Question Number. 10. Neither oil nor grease should be used as a lubricant on couplings or pipelines carrying. Option A. Oxygen. Option B. Kerosene. Option C. Nitrogen.

Correct Answer is. Oxygen. Explanation. AL/3-25 5.4 (vi).

Question Number. 20. How would you check the setting of an adjustable reamer?. Option A. Ring gauge. Option B. Dial test indicator and 'V' blocks. Option C. External calipers.

Correct Answer is. Ring gauge. Explanation. NIL.

Question Number. 49. When clamping cable looms containing co-axial cables. Option A. distortion of the outer sheath is allowed providing the inner cable is not affected. Option B. the clamps must be no more than 1 metre apart. Option C. avoid distortion to the co-axial cable to maintain the dielectric constant.

Correct Answer is. avoid distortion to the co-axial cable to maintain the dielectric constant. Explanation. NIL.

Question Number. 12. The colour of CO2 type fire extinguisher is. Option A. red. Option B. black. Option C. green.

Correct Answer is. black. Explanation. NIL.

Question Number. 1 A dry powder extinguisher is coloured. Option A. green. Option B. red. Option C. blue.

Correct Answer is. blue. Explanation. BS EN3.

Question Number. 69. When carrying out soldering to an end termination and a wire, you should tin. Option A. only the end of the wire. Option B. neither the wire or the termination as tinning is not required. Option C. both the end of the wire and the termination.

Correct Answer is. both the end of the wire and the termination. Explanation. BL/6-1 13.2.

Question Number. 32. A tolerance given on a dimension is indicated. Option A. by a plus and minus sign preceding the permitted tolerance. Option B. by the prefix TOL with the permitted tolerance. Option C. by enclosing the permitted tolerance within a triangle.

Correct Answer is. by a plus and minus sign preceding the permitted tolerance. Explanation. NIL.

Question Number. 11. A reamer with spiral flutes is removed. Option A. clockwise. Option B. straight. Option C. anticlockwise.

Correct Answer is. clockwise. Explanation. Jeppesen A&P General Technician Textbook Page 9-19.

Question Number. 61. When using a Pacific tensiometer the correct tension is found by. Option A. reading dial, provided the correct riser is used for the cable diameter. Option B. comparing reading to chart provided. Option C. adding reading to riser number.

Correct Answer is. comparing reading to chart provided. Explanation. The Pacific Tensiometer is NOT a direct reading type. See Pacific Tensiometer instructions.

Question Number. 2. Acetylene gas forms an explosive compound with. Option A. tin and silver. Option B. tin and copper. Option C. copper and silver.

Correct Answer is. copper and silver. Explanation. NIL.

Question Number. 22. In the Limit System, the term 'allowance' is the. Option A. difference between shaft and hole diameters. Option B. hole diameter variation. Option C. shaft diameter variation.

Correct Answer is. difference between shaft and hole diameters. Explanation. NIL.

Question Number. 63. Calibration of aircraft hydrostatic weighing equipment is. Option A. done once a year. Option B. carried out every time before an aircraft is weighed and adjusted by operator. Option C. not required.

Correct Answer is. done once a year. Explanation. Hydrostatic weighing equipment should be calibrated every year.

Question Number. 18. A grinding wheel is normally refaced by. Option A. dressing with a special tool. Option B. grinding through using another grinding wheel. Option C. holding a hard wood scraper against the rotating wheel.

Correct Answer is. dressing with a special tool. Explanation. NIL.

Question Number. 13. Rubber components should be stored. Option A. in warm and humid conditions. Option B. in a well lit room. Option C. in a cool dark area.

Correct Answer is. in a cool dark area. Explanation. CAAIP S Leaflet 1-8 3.3.

Question Number. 75. Units of torque are. Option A. lbs/ft2 and lbs/in2. Option B. Lbs and Kg. Option C. lbs.ft and lbs.in.

Correct Answer is. lbs.ft and lbs.in. Explanation. NIL.

Question Number. 14. When comparing the machining techniques for stainless steel sheet material to those for aluminium alloy sheet, it is normally considered good practice to drill the stainless steel at a. Option A. higher speed with less pressure applied to the drill. Option B. lower speed with more pressure applied to the drill. Option C. lower speed with less pressure applied to the drill.

Correct Answer is. lower speed with more pressure applied to the drill. Explanation. Jeppesen A&P Airframe Technician Textbook Page 2-27.

Question Number. 44. The size of the nibs of vernier calipers can be ascertained by. Option A. using the standard of 0.693 inches. Option B. measuring the steel rule. Option C. noting the dimension engraved on the instrument.

Correct Answer is. noting the dimension engraved on the instrument. Explanation. BL/3-4 3.5.

Question Number. 43. When using a hand file correctly, the downward pressure should be used only. Option A. on a return stroke. Option B. on the forward stroke. Option C. on the forward and return stroke.

Correct Answer is. on the forward stroke. Explanation. NIL.

Question Number. 5. An aircraft should not be refueled when. Option A. the APU is running. Option B. navigation and landing light in operation. Option C. within 10 metres (30 feet) of radar operating.

Correct Answer is. within 10 metres (30 feet) of radar operating. Explanation. AL/3-8 2.1.6, GOL/1-1 7.3.2.

Question Number. 45. A shaft dimension given as 1.225 inches +/- 0.003 inches followed by 'MMC' should be manufactured to what size?. Option A. 1.228 Inches. Option B. 1.222 Inches. Option C. 1.225 Inches.

Correct Answer is. 1.228 Inches. Explanation. Leaflet 2-1 5.11.3.

Question Number. 62. What temperature should the heat gun be set for shrinking heat shrink sleeve?. Option A. At the rated temperature. Option B. 100°C below rated temperature. Option C. 100°C above rated temperature.

Correct Answer is. 100°C above rated temperature. Explanation. Rated temperature is the normal working temperature of the heat-shrink material. The shrink at approximately 100°C above that.

Question Number. 4. How many teeth per inch are used on a hacksaw blade for cutting hard metal?. Option A. 54. Option B. 36. Option C. 26.

Correct Answer is. 26. Explanation. Blades are available 18 - 32 TPI. Greatest TPI is for hard metals.

Question Number. 65. The picture shows a torque wrench with an extension. To apply a torque of 350 lb.in. the reading on the dial should be. Option A. 350 lb.in. Option B. 280 lb.in. Option C. 245 lb.in.

Correct Answer is. 280 lb.in. Explanation. BL/6-30 4.4.1.

Question Number. 40. What is the minimum number of hacksaw blade teeth that should be in contact with the material being cut?. Option A. 2. Option B. 4. Option C. 3.

Correct Answer is. 3. Explanation. NIL.

Question Number. 74. When using low tungsten hacksaw blades it is recommended to use. Option A. 60 strokes per minute. Option B. 50 stroke per minute. Option C. 40 strokes per minute.

Correct Answer is. 50 stroke per minute. Explanation. Jeppesen A&P Mechanics Handbook Page 535.

Question Number. 6. The minimum 'no smoking' zone around an aircraft when refuelling is. Option A. 15m. Option B. 10m. Option C. 6m.

Correct Answer is. 6m. Explanation. Leaflet 5-1 2.2.2.

Question Number. 19. When checking a torque wrench 15 inches long, the load required to give torque of 120 lbs.in. is. Option A. 6 lbs. Option B. 8 lbs. Option C. 10 lbs.

Correct Answer is. 8 lbs. Explanation. NIL.

Question Number. 23. Which is correct concerning the use of a file?. Option A. The terms 'double-cut' and 'second-cut' have the same meaning in reference to files. Option B. Apply pressure on the forward stroke, only, except when filing very soft metals such as lead or aluminium. Option C. A smoother finish can be obtained by using a double-cut file than by using a single-cut file.

Correct Answer is. Apply pressure on the forward stroke, only, except when filing very soft metals such as lead or aluminium. Explanation. Jeppesen A&P General Technician Textbook Page 9-11.

Question Number. 25. Of what tolerance is the following an example? 1 in. + 0.002-0.001. Option A. Bilateral. Option B. Multilateral. Option C. Unilateral.

Correct Answer is. Bilateral. Explanation. NIL.

Question Number. 30. How are spring dividers sharpened?. Option A. By filing the outside of the points. Option B. By stoning the outside of the points. Option C. By grinding the inside of the points.

Correct Answer is. By stoning the outside of the points. Explanation. NIL.

Question Number. 11. Which type of extinguisher can be used for an electric fire?. Option A. Foam. Option B. Water. Option C. CO2.

Correct Answer is. CO2. Explanation. AL/3-10 3.3.

Question Number. 13. Which type of extinguisher can be used for engine fire?. Option A. CO2. Option B. BCF. Option C. Water.

Correct Answer is. CO2. Explanation. Leaflet 5-1 4.2.4 (a).

Question Number. 71. How would you mark a defect on an exhaust system?. Option A. Pencil. Option B. Chalk. Option C. Special zinc/copper tipped marking tool.

Correct Answer is. Chalk. Explanation. AC43 Para. 8-49. Jeppesen Aircraft Gas Turbine Powerplants 5-31.

Question Number. 37. When using a reamer, in which direction should it be turned?. Option A. Anti-clockwise when Cutting and removing. Option B. Clockwise when cutting and anti-clockwise when removing. Option C. Clockwise when cutting and removing.

Correct Answer is. Clockwise when cutting and removing. Explanation. Jeppesen A&P General Technician Textbook Page 9-19.

Question Number. 70. Run-out of a rod is measured using. Option A. DTI, surface plate and V-blocks. Option B. micrometer and V-blocks. Option C. vernier and V-blocks.

Correct Answer is. DTI, surface plate and V-blocks. Explanation. EL/3-3 Page 2 fig 1.

Question Number. 4. You are involved with a fire caused by titanium swarf. What type of extinguishant should you use to deal with the fire?. Option A. Dry asbestos wool and chalk powder. Option B. CO2. Option C. Chemical foam.

Correct Answer is. Dry asbestos wool and chalk powder. Explanation. BL/6-18 12.5.

Question Number. 1. On a hollow tube where would a small indentation normally be unacceptable?. Option A. Nowhere on the tube is an indentation acceptable. Option B. In the mid 1/3 section. Option C. In either of the outer 1/3 portion of the tube.

Correct Answer is. In the mid 1/3 section. Explanation. CAAIP s Leaflet 6-4 Para 7.2.

Question Number. 68. What should be done if a tool is found not to be working to its calibrated requirements?. Option A. It should be removed from service, marked as unserviceable and sent away for overhaul. Option B. It should be placed back into stores and kept in service until the next calibration is due. Option C. A mechanic should adjust it to restore it to the correct operation.

Correct Answer is. It should be removed from service, marked as unserviceable and sent away for overhaul. Explanation. Tool should be removed from service, marked as unserviceable and sent away for overhaul.

Question Number. 31. What would be the result of an insufficient clearance angle on a twist drill?. Option A. It would cut slowly, if at all. Option B. It would produce an oversize hole. Option C. It would tend to pull through the hole

Correct Answer is. It would cut slowly, if at all. Explanation. External website. http://www.unionbutterfield.com/tech/drills/trouble_shooting.asp

Question Number. 29. What type of lubricant should be used when drilling aluminium?. Option A. Vegetable oil. Option B. Paraffin. Option C. None.

Correct Answer is. Paraffin. Explanation. Paraffin is the lubricant for aluminium.

Question Number. 72. Which of the following is the most appropriate filing technique?. Option A. Pressure backwards, relieve pressure forwards. Option B. Even pressure forward and backwards. Option C. Pressure forwards, relieve pressure backwards.

Correct Answer is. Pressure forwards, relieve pressure backwards. Explanation. Jeppesen A&P Mechanics Handbook Page 537.

Question Number. 34. After cutting a 3/8 inch BSF internal thread and stud, it is found that the stud is too large. How is a fit achieved?. Option A. Remove the male thread crests with a fine emery cloth. Option B. Grind a taper on the end of the bolt. Option C. Re-adjust the die and re-cut the male thread.

Correct Answer is. Re-adjust the die and re-cut the male thread. Explanation. NIL.

Question Number. 35. You have reamed out a hole in a piece of titanium. How should you remove the reamer safely to prevent unnecessary damage?. Option A. Allow the reamer to pass right through the hole. Option B. Remove it, but in the same rotation as if cutting. Option C. Anti-clockwise.

Correct Answer is. Remove it, but in the same rotation as if cutting. Explanation. Jeppesen A&P General Technician Textbook Page 9-19.

Question Number. 77. What should you check before using a set of V blocks?. Option A. That both blocks have the same identification stamps. Option B. It doesn't matter. Option C. The calibration date.

Correct Answer is. That both blocks have the same identification stamps. Explanation. NIL.

Question Number. 27. How is a D.T.I. initially set up?. Option A. The gauge plunger should be fully extended and the needle zeroed. Option B. The gauge plunger should be partly depressed and the needle zeroed. Option C. The needle zeroed, then the plunger fully extended.

Correct Answer is. The gauge plunger should be partly depressed and the needle zeroed. Explanation. NIL.

Question Number. 41. When reading a blueprint, a dimension is given as 4.387 inches + 0.005-0.002. Which statement is true?. Option A. The maximum acceptable size is 4.385 inches. Option B. The minimum acceptable size is 4.385 inches. Option C. The maximum acceptable size is 4.389 inches.

Correct Answer is. The minimum acceptable size is 4.385 inches. Explanation. NIL.

Question Number. 52. Who is responsible for ensuring that weight and balance instrumentation is serviceable before use?. Option A. An engineer holding a license in the instrument category. Option B. The manufacturer of the equipment. Option C. The person responsible for carrying out the weight and balance procedure.

Correct Answer is. The person responsible for carrying out the weight and balance procedure. Explanation. NIL.

Question Number. 36. Why are some components torque loaded?. Option A. To ensure that their elastic limit is not exceeded. Option B. To ensure they do not vibrate loose. Option C. To ensure that they are tightened to their yield point.

Correct Answer is. To ensure that their elastic limit is not exceeded. Explanation. NIL.

Question Number. 51. Why are test or inspection instruments regularly calibrated and certified?. Option A. To ensure they will perform within the required limits of operation. Option B. To ensure they can handle the range of measurements required of them. Option C. To ensure they are being used regularly.

Correct Answer is. To ensure they will perform within the required limits of operation. Explanation. Leaflet 2-14 1.2.

Question Number. 2. What type of drill would you use on carbon fibre?. Option A. Diamond tipped. Option B. Carborundum. Option C. Tungsten carbide.

Correct Answer is. Tungsten carbide. Explanation. Airbus A340-600 SRM.

Question Number. 24. Which procedure is correct when using a reamer to finish a drilled hole to the correct size?. Option A. Turn the reamer only in the cutting direction. Option B. Turn the reamer in the cutting direction when enlarging the hole and in the opposite direction to remove from the hole. Option C. Apply considerable pressure on the reamer when starting the cut and reduce the pressure when finishing the cut.

Correct Answer is. Turn the reamer only in the cutting direction. Explanation. Jeppesen A&P General Technician Textbook Page 9-19.

Question Number. 19. What can cause dermatitis?. Option A. Washing hands in solvents. Option B. Not wearing eye protection when using solvents. Option C. Inhalation of paint fumes.

Correct Answer is. Washing hands in solvents. Explanation. NIL.

Question Number. 38. Draw filing produces. Option A. a course finish. Option B. a fine finish. Option C. a mottled finish.

Correct Answer is. a fine finish. Explanation. NIL.

Question Number. 42. Chalk when used with a fine file produces. Option A. a finer finish. Option B. a milled type surface. Option C. a ground type surface.

Correct Answer is. a finer finish. Explanation. NIL.

Question Number. 39. A safe edge of a file is used. Option A. against a finished surface. Option B. to give a fine polished finish to a smooth surface. Option C. against a rough unfinished surface.

Correct Answer is. against a finished surface. Explanation. NIL.

Question Number. 16. Risk assessments should only be carried out on. Option A. all tasks and processes that are performed. Option B. tasks using hazardous chemicals. Option C. tasks carried out above the height of 6 foot.

Correct Answer is. all tasks and processes that are performed. Explanation. NIL.

Question Number. 67. Tolerance is the. Option A. the difference between a hole and shaft size. Option B. allowable error due to faulty workmanship and tools. Option C. difference between worn and new tools.

Correct Answer is. allowable error due to faulty workmanship and tools. Explanation. Tolerance is allowable error due to faulty workmanship and tools.

Question Number. 57. The intervals for calibration of test equipment. Option A. are every year. Option B. are different from one appliance to another. Option C. are as specified in EASA Part-145.

Correct Answer is. are different from one appliance to another. Explanation. EASA Part-145 is not specific.

Question Number. 55. When using a strip-board, the tracks on a PCB are etched. Option A. before component fitment. Option B. after fitment but before soldering the components. Option C. after fitment and soldering of components.

Correct Answer is. before component fitment. Explanation. MMC/1-1 7.

Question Number. 7. Gas bottles for CO2 air and acetylene are coloured. Option A. grey, maroon, green. Option B. black, grey, maroon. Option C. green, grey, maroon.

Correct Answer is. black, grey, maroon. Explanation. NIL.

Question Number. 8. In an oxygen system, if the pressure drops to 500 PSI, it. Option A. causes anoxia. Option B. begins to overheat. Option C. blocks the oxygen system regulator.

Correct Answer is. blocks the oxygen system regulator. Explanation. At low pressure, air can mix with the oxygen. The moisture in the air freezes as the gas expands on exit of the system and blocks the regulator. Jeppesen A&P Airframe Technician Page 14-17.

Question Number. 18. Once a person has been disconnected from the source of an electrical shock the next step should be. Option A. seek assistance immediately. Option B. check for breathing start AR if necessary. Option C. check for pulse start cardiac massage if necessary.

Correct Answer is. check for breathing start AR if necessary. Explanation. NIL.

Question Number. 20. If an oxygen cylinder pressure falls below 500 PSI. Option A. the diluter stick will stick. Option B. the oxygen will degrade and cause anoxia. Option C. condensation will cause corrosion.

Correct Answer is. condensation will cause corrosion. Explanation. NIL.

Question Number. 47. The edge or surface of a part from which dimensions are measured from is called the. Option A. water line. Option B. reference plane. Option C. datum.

Correct Answer is. datum. Explanation. Leaflet 2-1 5.5.1.

Question Number. 14. Fire on landing gear brake should be extinguished with. Option A. dry powder extinguisher. Option B. carbon dioxide extinguisher. Option C. water extinguisher.

Correct Answer is. dry powder extinguisher. Explanation. AL/3-19 10.4. Jeppesen A&P Mechanics Handbook Page 503, CAAIP S Leaflet 5-8 10.4.

Question Number. 17. The most appropriate fire extinguisher for an aircraft wheel and brake fire would be. Option A. carbon dioxide. Option B. dry powder. Option C. water.

Correct Answer is. dry powder. Explanation. AL/3-19 10.4.

Question Number. 28. Nickel alloy chisels should be sharpened. Option A. by filing. Option B. on a grindstone. Option C. on an oilstone.

Correct Answer is. on an oilstone. Explanation. NIL.

Question Number. 73. Stubborn pins in file teeth should be removed by. Option A. tapping file gently on workbench. Option B. using file card. Option C. pricking out with sharp point.

Correct Answer is. pricking out with sharp point. Explanation. Jeppesen A&P Mechanics Handbook Page 538.

Question Number. 76. The calibration of a piece of test equipment is suspect. Your actions would be. Option A. calibrate/rectify immediately. Option B. note and rectify later. Option C. remove from service and annotate accordingly.

Correct Answer is. remove from service and annotate accordingly. Explanation. NIL.

Question Number. 54. When using the trepanning tool, the hole to be drilled should be. Option A. 1/32 inch larger than the guide pin. Option B. same diameter as the guide pin. Option C. 1/32 inch smaller than the guide pin.

Correct Answer is. same diameter as the guide pin. Explanation. NIL.

Question Number. 7. A CO2 extinguisher is used on. Option A. solid, liquid, hot metal and electrical fires. Option B. solid, liquid and electrical fires. Option C. solid and liquid fires.

Correct Answer is. solid, liquid and electrical fires. Explanation. Hot metal and liquid fires would be extinguished with foam.

Question Number. 50. If a test or inspection instrument has no calibration data supplied by the manufacturer, you would use the calibration data provided by. Option A. the British Standards Quality Assurance documentation referring to calibration of instrumentation and test equipment. Option B. CAAIP S. Option C. the Maintenance Manual.

Correct Answer is. the British Standards Quality Assurance documentation referring to calibration of instrumentation and test equipment. Explanation. Leaflet 2-14 2.2.

Question Number. 3. When mixing acid and water. Option A. the acid should always be added to the water. Option B. it does not matter which way the two are mixed. Option C. the water should always be added to the acid.

Correct Answer is. the acid should always be added to the water. Explanation. NIL.

Question Number. 78. When turning the handle on a megger with the probes kept apart. Option A. the needle stays at infinity. Option B. the needle deflects to infinity. Option C. the needle moves to zero.

Correct Answer is. the needle stays at infinity. Explanation. The needle of a Megger rests on infinity and is deflected to Zero.

Question Number. 66. Reaming light alloy tube is done with. Option A. no lubricant. Option B. the same oil and lubrication as used for cutting. Option C. hard base lubricant.

Correct Answer is. the same oil and lubrication as used for cutting. Explanation. Reaming is lubricated with the same fluid as cutting (drilling).

Question Number. 59. When tightening a nut on a bolt the torque loading applied is. Option A. inversely proportional to the force applied to the spanner. Option B. the tangential application of the force times the perpendicular distance from the point of application to the centre of the bolt. Option C. independent of whether the threads are wet or dry.

Correct Answer is. the tangential application of the force times the perpendicular distance from the point of application to the centre of the bolt. Explanation. Torque = force * distance of force from centre of bolt.

Question Number. 10. When a torque loading is specified for a castellated or slotted nut on an undrilled new bolt. Option A. the bolt should be pre-drilled, the torque applied and the nut eased back, if necessary, to allow the split pin to be fitted. Option B. the bolt should be pre-drilled and the torque increased if necessary to allow the split pin to be fitted. Option C. the torque should be applied and the bolt suitably drilled for the split pin.

Correct Answer is. the torque should be applied and the bolt suitably drilled for the split pin. Explanation. NIL.

Question Number. 8. To drill a 1/4 inch hole in titanium, the correct starting procedure would be. Option A. to centre drill. Option B. to centre punch. Option C. to drill 1/4 inch hole direct.

Correct Answer is. to centre drill. Explanation. CAIP S EL/3-3 Para. 3.2.

Question Number. 12. The difference between high and low limits of a size for a dimension is known as the. Option A. deviation. Option B. tolerance. Option C. fit.

Correct Answer is. tolerance. Explanation. NIL.

Question Number. 3. When using a reamer. Option A. use no lubricant. Option B. use the same lubricant as was used on the drill bit. Option C. use lard oil.

Correct Answer is. use the same lubricant as was used on the drill bit. Explanation. NIL.

Question Number. 64. When drilling light alloy. Option A. lard oil should be used. Option B. use the specified lubricant. Option C. no lubricant is required.

Correct Answer is. use the specified lubricant. Explanation. Since the question is not specific as to which light alloy is to be drilled, the 'specified' lubricant is used (even if the 'specified' lubricant is 'nothing').

Question Number. 6. When lifting a bulky component with a wire rope sling, the component can be protected from damage by the sling by. Option A. fabricating alternative lifting points. Option B. using a suitably shaped sling. Option C. using spreader bars and packing.

Correct Answer is. using spreader bars and packing. Explanation. NIL.

Question Number. 48. Water Lines are. Option A. front to rear measurements on the fuselage. Option B. vertical measurements on the fuselage. Option C. left and right measurements on the fuselage.

Correct Answer is. vertical measurements on the fuselage. Explanation. AL/7-2 fig 15.

Question Number. 15. Which type of fire extinguishers can be used in the cabin?. Option A. C.T.C. Option B. water or B.C.F. Option C. M.B.

Correct Answer is. water or B.C.F. Explanation. Methyl Bromide and CTC extinguishers are toxic. Jeppesen A&P Mechanics Handbook Page 502 and 504.

Question Number. 17. When degreasing aluminium alloys, and no trichloroethylene is available, a suitable alternative is. Option A. dilute sulphuric acid. Option B. M.E.K. Option C. white spirit and naphtha.

Correct Answer is. white spirit and naphtha. Explanation. NIL.

Question Number. 56. A 'light drive' fit for a 3/8 inch diameter bolt has a maximum allowance of. Option A. 0.005 inch. Option B. 0.0025 inch. Option C. 0.0006 inch.

Correct Answer is. 0.0006 inch. Explanation. AC43.13-1B Page 7-5 Para.7-39.

Question Number. 46. 2 microns is. Option A. 0.002 mm. Option B. 0.002 inch. Option C. 0.000 002 inch.

Correct Answer is. 0.002 mm. Explanation. 1 micron = 0.001 mm.

Question Number. 33. How much material should be allowed for reaming?. Option A. 0.001 in. Option B. 0.003 in. Option C. 0.010 in.

Correct Answer is. 0.003 in. Explanation. Jeppesen A&P General Technician Textbook Page 9-19.

Question Number. 16. When stop drilling a crack, what is the typical drill size used?. Option A. 0.025 inch. Option B. 0.250 inch. Option C. 0.125 inch.

Correct Answer is. 0.125 inch. Explanation. Jeppesen A&P Airframe Technician Textbook Page 2-6.