Motors Final Fall

Front

What is the purpose of a ground strap in a motor?

Back

A ground strap is used to ensure electrical safety by providing a path for electrical current to ground, preventing electric shock and equipment damage.

Front

Can a 3-phase motor operate on a single-phase power supply?

Back

No, a 3-phase motor cannot operate on a single-phase power supply without additional equipment.

Front

Does sunlight affect the operation of breakers in a distribution panel?

Back

No, sunlight does not affect the operation of breakers in a distribution panel.

Front

What is one method to check a motor's performance?

Back

Taking amperage readings of the motor during start-up and after start-up and comparing them to the motor's nameplate.

Front

What is a throwaway device in electrical terms?

Back

A throwaway device is one that cannot be rebuilt or repaired due to the unavailability of parts.

Front

What is the function of a resilient mount for a motor?

Back

A resilient mount helps to absorb vibrations and reduce noise, providing stability to the motor.

Front

What is the significance of a motor's nameplate?

Back

The nameplate provides essential information about the motor's specifications, including voltage, current, and power ratings.

Front

What does it mean if a motor is rated for continuous duty?

Back

It means the motor can operate continuously without overheating under specified conditions.

Front

What is the role of a circuit breaker in a motor circuit?

Back

A circuit breaker protects the motor from overloads and short circuits by interrupting the electrical flow.

Front

What is the difference between AC and DC motors?

Back

AC motors run on alternating current, while DC motors run on direct current, affecting their design and application.