AC Motors Quiz

What is a key feature of a shaded pole motor?

• It uses a shaded stator pole.

• It includes a centrifugal switch.

• It is connected in series at all times.

• It has a high starting torque.

In a single voltage Y-connected three-phase motor, how are the phases connected?

• One end of each phase is internally connected to the others.

• Each phase is wired end to end.

• The phases form a completely closed loop.

• Each phase is divided into two equal parts.

What is the purpose of a motor's nameplate information?

• To list the motor's manufacturing date.

• To provide the motor's weight and dimensions.

• To identify the motor's color code.

• To ensure the motor is used at the correct voltage and current.

What happens when a motor is over-cycled?

• It destroys the motor insulation.

• It increases the motor's efficiency.

• It decreases the motor's temperature.

• It improves the motor's speed.

How can a DMM be used in troubleshooting AC motors?

• To determine the winding circuits of an unmarked motor.

• To calculate the motor's efficiency.

• To measure the motor's weight.

• To check the motor's color code.