Electrical Engineering : Single Phase Induction Motors QUESTIONS AND ANSWERS :: part2 : 6 to 10
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.In A.C. series motor compensating winding is employed to |
| reduce the effects of armature reaction |
| increase the torque |
| reduce sparking at the brushes |
| none of the above |
7.In a two value capacitor motor, the capacitor used for running purposes is |
| air capacitor |
| paper spaced oilfilled type |
| ceramic type |
| a.c. electrolytic type |
8.Which type of load is offered by cranes and hoists ? |
| Gradually varying load |
| Non-reversing, no-load start |
| Reversing, light start |
| Reversing, heavy start |
9.Which of the following motors has highest starting torque ? |
| Repulsion motor |
| Shaped pole motor |
| Capacitor-start motor |
| Split-phase motor |
10.Which of the following single-phase motors has relatively poor starting torque ? |
| Universal motor |
| Repulsion motor |
| Capacitor motor |
| All single phase motors have zero starting torque |
More Single Phase Induction Motors QUESTIONS AND ANSWERS available in next pages
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