Electrical Engineering : Industrial Drives QUESTIONS AND ANSWERS :: part2 : 11 to 15
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.For a motor-generator set which of the following motors will be preferred ? |
| Synchronous motor |
| Slip ring induction motor |
| Pole changing induction motor |
| Squirrel cage induction motor |
12.Flame proof motors are used in |
| paper mills |
| steel mills |
| moist atmospheres |
| explosive atmospheres |
13.In ________ the speed can be varied by changing the position of brushes. |
| slip ring motor |
| schrage motor |
| induction motor |
| repulsion motor |
14.In which of the following applications variable speed operation is preferred ? |
| Exhaust fan |
| Ceiling fan |
| Refrigerator |
| Water pump |
15.A pony motor is used for the starting which of the following motors ? |
| Squirel cage induction motor |
| Schrage motor |
| Synchronous motor |
| None of the above |
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