Multiple choice general knowledge

In what flight condition is torque effect the greatest in a single-engine airplane?

  1. Low airspeed, high power, high angle of attack.

  2. Low airspeed, low power, low angle of attack.

  3. High airspeed, high power, high angle of attack.

  4. High airspeed, Low power, high angle of attack.
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A Correct answer
Explanation

In single-engine airplanes, torque effect is greatest at low airspeed, high power settings, and high angles of attack. At low speeds with high power and high AOA, the propeller's torque creates significant left-turning tendency in American-engine aircraft that cannot be overcome by airflow over the vertical stabilizer. High airspeeds (options C, D) provide more rudder effectiveness to counteract torque. Low power settings (option B) reduce torque effect. Answer A correctly identifies the conditions where torque is most pronounced.

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