Electrical Engineering : Dc Motors QUESTIONS AND ANSWERS :: part3 : 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.Following motor is used where high starting torque and wide speed range control is required. |
| Single phase capacitor start |
| Induction motor |
| Synchronous motor |
| D.C. motor |
12.At the instant of starting when a D.C. motor is put on supply, it behaves like |
| a highly resistive circuit |
| a low resistance circuit |
| a capacitive circuit |
| none of the above |
13.As -the load is increased the speed of D.C. shunt motor will |
| reduce slightly |
| increase slightly |
| increase proportionately |
| remains unchanged |
14.In D.C. machines the residual magnetism is of the order of |
| 2 to 3 per cent |
| 10 to 15 per cent |
| 20 to 25 per cent |
| 50 to 75 per cent |
15.The armature voltage control of D.C. motor provides |
| constant torque drive |
| constant voltage drive |
| constant current drive |
| none of the above |
More Dc Motors QUESTIONS AND ANSWERS available in next pages
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