For a twin-engine aeroplane, a reason for limiting a propeller's diameter is to...

avoid excessive propeller-tip velocities at high RPMs.

avoid a reduction in power absorption.

reduce the aeroplane's minimum control speed.

Outboard ailerons are (1) at (2) speeds, to prevent (3) .

(1) locked; (2) high; (3) aileron reversal.

(1) locked; (2) low; (3) aileron reversal.

(1) unlocked; (2) high; (3) aeroelastic phenomena.

(1) unlocked; (2) low; (3) aeroelastic phenomena

Increasing the lift on the wing into the wind.

Increasing lift on the wing away from the wind.

Increasing drag on the wing away from the wind.

Increasing the lift on the wing into the wind.

Increasing drag on the wing into the wind.

the left engine is the critical engine.

the ‘minimum control speed’ is determined by the failure of the right engine.

the left engine produces a higher yaw moment if the right engine fails than vice versa.

the right engine is the critical engine.

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