Chapter 9 Troubleshooting Motors
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Short
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| show | Centrifugal
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| A capacitor maybe discharged by placing a 20,000 Sl, 2 W resistor across the terminals for ____ seconds. | show 🗑
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| Before trouble shooting electric motors, the starting mechanism should be locked out and ____. | show 🗑
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| An OCPD should be at least ____% of a motor's FLC. | show 🗑
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| show | Click
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| show | True
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| True/False: A megohmeter may be used to test for insulation breakdown. | show 🗑
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| True/False: When a capacitor is open, the motor has good starting torque. | show 🗑
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| show | True
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| True/False: Overloads should be reset before cooling. | show 🗑
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| True/False: Overheated bearings may cause motor noise. | show 🗑
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| show | C Open
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| show | A very low
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| A split-phase motor has a ____ winding. A. starting B. running C. Both A and B D. neither A nor B | show 🗑
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| 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 | show 🗑
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| 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 | show 🗑
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| show | C both A and B
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
aganotisi