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A ____ circuit is a circuit in which current takes a shortcut around the normal path of current flow.
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The starting winding of a split-phase motor is removed by a ____ switch as the motor accelerates.
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Chapter 9

Chapter 9 Troubleshooting Motors

QuestionAnswer
A ____ circuit is a circuit in which current takes a shortcut around the normal path of current flow. Short
The starting winding of a split-phase motor is removed by a ____ switch as the motor accelerates. Centrifugal
A capacitor maybe discharged by placing a 20,000 Sl, 2 W resistor across the terminals for ____ seconds. 5
Before trouble shooting electric motors, the starting mechanism should be locked out and ____. Tag Out
An OCPD should be at least ____% of a motor's FLC. 125
When a split-phase motor is turned OFF, a distinct _____ should be heard. Click
True/False: Shaded-pole motors that fail are usually replaced. True
True/False: A megohmeter may be used to test for insulation breakdown. True
True/False: When a capacitor is open, the motor has good starting torque. False
True/False: A good capacitor will hold a charge even when power is removed. True
True/False: Overloads should be reset before cooling. False
True/False: Overheated bearings may cause motor noise. True
A ____ circuit is a circuit that no longer provides a path for current flow. A. short B. closed C. open D. full C Open
A shaded-pole motor has a ___ starting torque. A. very low B. medium C. very high D. variable A very low
A split-phase motor has a ____ winding. A. starting B. running C. Both A and B D. neither A nor B C Both A and B
A ____ circuit is a circuit in which current leaves its normal path and travels to the frame of the motor. A. open B. Closed C. grounded D. full C grounded
A voltmeter check of a split-phase motor should show voltage within ___% of the motor's listed voltage. A. 2.5 B. 5 C. 7.5 D. 10 D 10
AC capacitors are ____. A. used with capacitor motors B. designed to have no polarity C. both A and B D. neither A nor B C both A and B
Created by: aganotisi
 

 



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