Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 20, Problem 1RQ
True or False: If a sleeve bearing fails in a small, fractional horsepower motor, the motor is generally replaced.
Expert Solution & Answer
To determine
Whether the statement is true or false.
Answer to Problem 1RQ
The statement is true.
Explanation of Solution
Electric motors- An electrical machine which converts electrical energy into mechanical energy as a shaft power is called Electric motors. An Electric motors can be operates on DC (Direct current) or in AC (Alternative current) current.
Sleeve bearings- Sleeve bearings is a type of bearing which is used to provide linear movement between the two machine parts and reduce noise and vibration by reducing the friction between the machine parts.
The types of sleeve bearing are following.
- Rigid steel-backed babbit bearing
- Self-aligning sintered bearing
In an electric motor sleeve bearing is used to turn the winding of wires of the motor placed between the magnetic fields. If a sleeve bearing is failed then the winding of wires of the motor placed between the magnetic fields is not turn, so this is necessary to replace the sleeve bearing for proper working of winding of wires of the motor placed between the magnetic fields for proper work of motor.
Conclusion:
The statement "If a sleeve bearing fails in a small, fractional horsepower motor, the motor is generally replaced" is true.
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Chapter 20 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 20 - True or False: If a sleeve bearing fails in a...Ch. 20 - An open winding in an electric motor means that A....Ch. 20 - There is a short circuit in an electric motor...Ch. 20 - An open winding or a shorted winding can be...Ch. 20 - A decrease in resistance will cause the amperage...Ch. 20 - Prob. 6RQCh. 20 - Prob. 7RQCh. 20 - To determined the capacitance of a capacitor, a...Ch. 20 - State the physical differences between a run and a...Ch. 20 - Prob. 10RQ
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