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Q&A Forum

1106 questions found

Module 17. Propeller

The function of a propeller pitch lock is to prevent the propeller from

  • coarsening.
  • reducing below flight fine pitch.
  • fining off in the event of pitch lock mechanism failure.
binmaniac asking:

So the PITCH LOCK stops the propeller from fining off when the PITCH LOCK fails, does that make any sense at all?

Module 6. Materials & hardware

A 0.5 in. diameter pipe is to be joined using standard nuts and fittings. What coupling would you use?

  • AN8-8852-1.
  • AN8-8852-2.
  • AN8-8852-8.
Rowan7 asking:

Does the -8 mean diameter in 16th's?

Module 2. Physics

A drive shaft has a speed 150pi radians a second. What is the speed in RPM?

  • 4500.
  • 9000.
  • 1500.
Mickyg1986 asking:

Can somebody explain this please?

Module 3. Electrical fundamentals

The Sine wave signals of a circular time base are

  • in phase.
  • phase separated by 90degrees.
  • phase separated by 180degrees.
bennguli asking:

guys explain kindly

Module 7. Maintenance practices

When drilling out a rivet, use a drill

  • larger than the rivet hole.
  • same size as the hole.
  • smaller than the rivet hole.
alexm200 asking:

thought it was smaller than hole when drilling out the rivet??

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