Electrical Engineering : Dc Motors QUESTIONS AND ANSWERS :: part1 : 21 to 25
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.Which D.C. motor is preferred for elevators ? |
| Shunt motor |
| Series motor |
| Differential compound motor |
| Cumulative compound motor |
22.What will happen if the back e.m.f. of a D.C. motor vanishes suddenly? |
| The motor will stop |
| The motor will continue to run |
| The armature may burn |
| The motor will run noisy |
23.In D.C. shunt motors as load is reduced |
| the speed will increase abruptly |
| the speed will increase in proportion to reduction in load |
| the speed will remain almost/constant |
| the speed will reduce |
More Dc Motors QUESTIONS AND ANSWERS available in next pages
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