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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.
why?
A passive sensor
- does not require power.
- requires dc excitation.
- requires ac power input.
What is a Passive sensor?
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.
The answer should be 'providing bends in the tubing.
Ref.:- page 114 of AC65-9A.
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.
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
Deployment of flaps will result in
- a decrease in stall angle.
- an increase in stall angle.
- a decrease in angle of attack.
is the reason for this is increase in drag??/