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.Management Sciences
A. the magnetising current of the rotor will decrease
B. the power factor will decrease
C. speed of motor will increase
D. the windage losses will increase
Related Mcqs:
- The shaft of an induction motor is made of_____________?
- A. high speed steel B. stainless steel C. carbon steel D. cast iron...
- Which of the following component is usually fabricated out of silicon steel ?
- A. Bearings B. Shaft C. Statorcore D. None of the above...
- Stepless speed control of induction motor is possible by which of the following methods ?
- A. e.m.f. injection in rotor eueuit B. Changing the number of poles C. Cascade operation D. None of the above...
- In three-phase induction motors sometimes copper bars are placed deep in the rotor to___________?
- A. improve starting torque B. reduce copper losses C. improve efficiency D. improve power factor...
- A squirrel cage induction motor is not selected when___________?
- A. initial cost is the main consideration B. maintenance cost is to be kept low C. higher starting torque is the main consideration D. all above considerations are involved...
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