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In an aircraft, the dive manoeuvre can be initiated by

  • A.reducing the engine thrust alone.
  • B.reducing the angle of attack alone.
  • C.generating a nose down pitch rate.
  • D.increasing the engine thrust alone.

Answer: C

A dive is initiated by generating a nose down pitch rate.

To enter a dive the flight path must be bent downward, which needs the aircraft to rotate nose down. The pilot pushes the stick forward, the elevator produces a nose-down pitching moment and the resulting pitch rate lowers the nose and the flight path angle.

Reducing thrust alone makes the aircraft slow down or descend gently at its trim speed, not dive. Reducing angle of attack alone is a consequence of the pitch change, not a way of starting it, and increasing thrust tends to make the aircraft climb or accelerate.

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