Electrical Engineering : Dc Motors QUESTIONS AND ANSWERS :: part3 : 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.Speed control by Ward Leonard method gives uniform speed variation |
| in one direction |
| in both directions |
| below normal speed only |
| above normal speed only. |
7.Which of the following motor has the poorest speed regulation ? |
| Shunt motor |
| Series motor |
| Differential compound motor |
| Cumulative compound motor |
8.Three point starter can be used for |
| series motor only |
| shunt motor only |
| compound motor only |
| both shunt and compound motor |
9.Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be |
| level compounded |
| under compounded |
| cumulatively compounded |
| differentially compounded |
10.Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors ? |
| Low cost |
| Wide speed range |
| Stability |
| High starting torque. |
More Dc Motors QUESTIONS AND ANSWERS available in next pages
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