Why is an air compressor started unloaded?

Why is an air compressor started unloaded?
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1 Answer

Answer :

The air pressure inside the compressor cylinder offers resistance to the movement of the piston. Hence started unloaded. Ask 4/E or 2/E in ship.
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When a motor is just started, back emf is almost ______: a. Infinite b. zero c. minimum d. maximum

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A boat carrying a number of large stones is floating in a water tank. If the stones are unloaded into the water, the level of water in the tank (a) Will remain unchanged (b) Will rise (c) Will fall (d) Will rise till half the number of stones are unloaded and then will begin to fall

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If a unloaded shunt motor's field were weakened by rheostat resistance or by an open circuit, the motor would _________. A. overspeed due to reduced CEMF B. stop because of low flux C. continue to run at base speed D. slow down and overheat

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