Electrical Engineering : Industrial Drives QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.The starting torque of a D.C. motor is independent of which of the following? |
| Flux |
| Armature current |
| Flux and armature current |
| Speed |
17.Which of the following motors are pre-ferred for overhead travelling cranes ? |
| Slow speed motors |
| Continuous duty motors |
| Short time rated motors |
| None of the above |
18.Rotor of a motor is usually supported on _______ bearings. |
| ball or roller |
| needle |
| bush |
| thrust |
19._______ motor is a constant speed motor. |
| Synchronous motor |
| Schrage motor |
| Induction motor |
| Universal motor |
20.Which part of a motor needs maximum attention for maintenance ? |
| Frame |
| Rearing |
| Stator winding |
| Rotor winding |
More Industrial Drives QUESTIONS AND ANSWERS available in next pages
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