Quiz sheet for split phase motors

If the start winding of a single phase motor is still connected while the motor is running the

A) start winding may burn out

B) motor will stall

C) run winding will burn out

D) motor will vibrate excessively 

ANSWER: A

The current in the start winding will be 

A) leading the current in the run winding

B) lagging the current in the run winding

C) in phase with the current in the run winding

D) zero until the motor starts

ANSWER: A

To reverse the direction of a single phase motor 

A) reverse the polarity of either the start winding or the run winding but not both

B) reverse the polarity of the start winding and the run winding.

C) reverse the polarity of the supply leads

D) connect the capacitor to the opposite side of the start winding 

ANSWER: A


Last modified: Friday, 28 May 2021, 5:57 PM