Electrical Engineering : Single Phase Induction Motors QUESTIONS AND ANSWERS :: part4 : 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.To reverse the direction of rotation of acapacitor start motor while it is running we should |
| disconnect motor from the supply till it stops then reconnect it to supply with reversed connection of main or auxiliary winding |
| disconnect motor from supply and immediately reconnect it to supply with reversed connections of the main winding |
| reverse the direction of connection of the auxiliary winding and after motor comes to rest then connect auxiliary winding to the supply |
| reverse the direction of connections of the auxiliary winding and im-mediately connect it to supply |
7.Which of the following motors is used in tape-recorders ? |
| Hysteresis motor |
| Reluctance motor |
| Capacitor-run motor |
| Universal motor |
8.A shaded pole motor does not possess |
| centrifugal switch |
| capacitor |
| commutator |
| all of the above |
9.Which of the following motors has two separate windings on the motor ? |
| Repulsion motor |
| Repulsion induction motor |
| Repulsion start induction run motor |
| None of the above |
10.In a A.C. series motor armature coils are usually connected to commutator |
| through resistance |
| through reactances |
| through capacitors |
| solidly |
More Single Phase Induction Motors QUESTIONS AND ANSWERS available in next pages
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