If a propeller governor senses overspeed it will move the propeller blades towardsQuestion 18Select one:a.Fine pitch and increased propeller torqueb.Coarse pitch and increased propeller torquec.Fine pitch and decreased propeller torqued.Coarse pitch and decreased propeller torque
Question
If a propeller governor senses overspeed it will move the propeller blades towardsQuestion 18Select one:a.Fine pitch and increased propeller torqueb.Coarse pitch and increased propeller torquec.Fine pitch and decreased propeller torqued.Coarse pitch and decreased propeller torque
Solution
If a propeller governor senses overspeed, it will move the propeller blades towards coarse pitch and decreased propeller torque. So, the correct answer is d. Coarse pitch and decreased propeller torque.
Here's why:
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The propeller governor's job is to maintain a set RPM (revolutions per minute). If it senses overspeed (the propeller is spinning too fast), it needs to slow it down.
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To do this, it changes the angle of the propeller blades to a coarser pitch. A coarser pitch means the blades are more angled, which increases the air resistance and slows down the propeller.
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As the propeller slows down, the torque (rotational force) it produces also decreases. This is because torque is directly related to speed: the faster something spins, the more torque it produces.
So, in response to overspeed, the propeller governor moves the blades to a coarser pitch and decreases propeller torque.
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