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1131 questions found

Module 8. Basic aerodynamics

The amount of thrust produced by a jet engine or a propeller can be calculated using

  • Newton's 3rd law.
  • Newton's 2nd law.
  • Newton's 1st law.
sierra3 asking:

why?

Module 2. Physics

A passive sensor

  • does not require power.
  • requires dc excitation.
  • requires ac power input.
Markfilletti asking:

What is a Passive sensor?

Module 6. Materials & hardware

Excessive stress on fluid or pneumatic metal tubing caused by expansion and contraction due to temperature changes can best be avoided by

  • providing bends in the tubing.
  • avoiding long straight sections of tubing between fixed parts of the structure of the aircraft.
  • Both answers above are correct.
ravi.0813 asking:

The answer should be 'providing bends in the tubing.
Ref.:- page 114 of AC65-9A.

Module 6. Materials & hardware

Which of the following is the definition of cure time?

  • The period after which the surface of the compound no longer exhibits adhesive properties.
  • The time required for the mixed compound to reach an initial rubbery state.
  • Both answers are correct.
ravi.0813 asking:

I think the answer should be either A or B.
This is the ref.
http://www.toolingu.com/definition-670130-41274-cure-time.html.
http://www.wisegeek.com/what-is-curing-time.htm

Module 8. Basic aerodynamics

Deployment of flaps will result in

  • a decrease in stall angle.
  • an increase in stall angle.
  • a decrease in angle of attack.
sasna asking:

is the reason for this is increase in drag??/

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