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Q&A Forum

1106 questions found

Module 8. Basic aerodynamics

What is the collective term for the fin and rudder and other surfaces aft of the centre of gravity that helps directional stability?

  • Empennage and vertical stabiliser.
  • Forward fuselage keel area.
  • Effective keel surface.
Jordi asking:

why not empennage?I got really confused with this question.

Module 15. Gas turbine engine

An increase in the Ram Ratio of an intake will

  • increase the temperature of the compressed air.
  • have no effect upon the temperature of the compressed air.
  • decrease the temperature of the compressed air.
olegs leonovs asking:

I think the answer "C" or "3" is correct.

Module 17. Propeller

With a multi-engined aircraft the torque pressure would be

  • There is only one gauge for all engines.
  • same on all engines.
  • similar on all engines.
Jordi asking:

what is the difference betweeen same and similar?

Module 17. Propeller

When in reverse pitch, CTM will tend to move the propeller blades towards

  • a positive pitch.
  • a position depending on rpm.
  • a negative pitch.
Jordi asking:

i dont understand it.

Module 17. Propeller

Auto feathering is disarmed

  • during landing.
  • during take off.
  • in the cruise.
Jordi asking:

why is it disarmed during cruise?Wouldnt be right to have it auto while crusing in case of engine failure?

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