M7 Part 1

20 Questions | Total Attempts: 465

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Mechanics Quizzes & Trivia

M7 part 1Please do not share


Questions and Answers
  • 1. 
    A set of wheel bearing requires grease remove and cleaning prior to inspection as acceptable cleaning method would be
    • A. 

      To use a commercial chemical based cleaner to soak the bearing, then spin the bearing dry using shop air

    • B. 

      To use a stream cleaner, as it will remove stubborn residue and leave the bearing warm so that if will dry quickly

    • C. 

      To soak the bearing insolvent to soften the grease and any harden deposit,, with the bearing using a clean solvent and finally blow dry using low pressure dry compressed air

  • 2. 
    When a replenishment cart contains both oxygen and nitrogen cylinders, nitrogen would be
    • A. 

      Significantly larger than oxygen bottles

    • B. 

      Mounted in the opposite direction to the oxygen bottles and have different hose connection

    • C. 

      Greater in number and colored black and white.

  • 3. 
    Defueling of AC must be carried out
    • A. 

      Outside a hanger where there are no fire hazards

    • B. 

      In a hanger where there is no wind or fire hazards

    • C. 

      Into clean drums but no straight into a fuel tank.

  • 4. 
    The bearing of a pulley in a cable control system
    • A. 

      Is normally prepacked with grease

    • B. 

      Should be lubricated with a spray type lubricant only

    • C. 

      Must be lubricated with grease after every flight

  • 5. 
    To locate fault in the AC wiring, one should refer to the:
    • A. 

      Wiring diagram manual

    • B. 

      Maintenance manual

    • C. 

      Component location diagram manual

  • 6. 
    To measure the electrical resistance of a fire bottle squib:
    • A. 

      A megger is used

    • B. 

      Any ohmmeter is used

    • C. 

      A safety ohmmeter is used

  • 7. 
    • A. 

      Result in insufficient fear backlash and inadequate gear tooth gear tooth lubrication.

    • B. 

      Not be adjustable and required gear replacement

    • C. 

      Allow excessive gear backlash and overloading of the gear teeth

  • 8. 
    A control chain should be rejected if:
    • A. 

      If has twists or kinks of more than 2 degree

    • B. 

      It has any evidence of twists or kinks

    • C. 

      It has twists or kinks of more than 5 degress

  • 9. 
    It should be possible to install the control rigging pin easily if the:
    • A. 

      Final alignment of the control system is correct.

    • B. 

      Cable tension is low

    • C. 

      Cable tension is excessive

  • 10. 
    It is highly dangerous to operate the halves of pressurized ______cylinders with greasy hand
    • A. 

      Oxygen

    • B. 

      Nitrogen

    • C. 

      Acetylene

  • 11. 
    When refueling from a hydrant cart containing Jet Aluminum fuel the decal marking should be coloured
    • A. 

      Blue with white lettering

    • B. 

      Black with white lettering

    • C. 

      Red with white lettering

  • 12. 
    If a 25 inch torque wrench fitting with a 5 inch extension shows a dial reading of 100 inch pounds, the actual torque loading on a bolt would be
    • A. 

      80 inch pounds

    • B. 

      130 pounds

    • C. 

      120 pounds

  • 13. 
     If mercury is spilled in the cargo hold of an aircraft it will have the most damaging effect on structure containing
    • A. 

      Magnesium

    • B. 

      Aluminum alloy

    • C. 

      Titanium

  • 14. 
    When taxiing an aircraft in a ramp a flashing green light is signaled  from a tower, would indicate that the aircraft
    • A. 

      Must return to the starting point

    • B. 

      May commence taxiing

    • C. 

      Must exercise extreme caution

  • 15. 
    After finding severe skin damage resulting from a lightning strike, all control surfaces must be inspected to check for damage because
    • A. 

      Unsatisfactory bonding may have allowed static discharge across hinge bearings, burning, breakup or seizure

    • B. 

      The hinge bearing may have become magnetized

    • C. 

      The mass balance of the control surface may have change

  • 16. 
    A piece of metal structure has surface pitting and etching covered with white powdery deposit, based on this evidence you would consider that it is
    • A. 

      Aluminum alloy or magnesium

    • B. 

      Copper or copper alloy

    • C. 

      Iron or steel

  • 17. 
    The smallest graduated grading on a metric vernier caliper is
    • A. 

      0.02mm

    • B. 

      0.5mm

    • C. 

      0.001mm

  • 18. 
    The thread on the spindle of an English micrometer has a pitch of
    • A. 

      100 threads per inch, and one complete turn off the thimble will move 0.025 inch

    • B. 

      40 threads per inch, and one complete turn off the thimble will move 0.025 inch

    • C. 

      50 threads per inch, and one complete turn off the thimble will move 0.025 inch

  • 19. 
    A wheel bearing cup has water marking. The marking area is not rusted. The bearing should
    • A. 

      Reinstalled and re-inspected for an deterioration at the next schedule inspection

    • B. 

      Reinstalled as water marking is common and not cause for bearing failure

    • C. 

      Reject as water marks area are an indication of inter-granular corrosion

  • 20. 
    Loads on the surface of the wing during normal flight will result in
    • A. 

      Compression of the upper surface and both compression and tension on the lower surface

    • B. 

      Tension of the upper surface and compression of the lower surface

    • C. 

      Compression of the upper surface and tension of the lower surface