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.Management Sciences
A. power factor at starting is high as compared to that while running
B. power factor at starting is low as compared to that while running
C. power factor at starting in the same as that while running
Related Mcqs:
- The number of slip rings on a squirrel cage induction motor is usually____________?
- A. two B. three C. four D. none...
- The auto-starters (using three auto transformers) can be used to start cage induction motor of the following type__________?
- A. star connected only B. delta connected only C. A. and B. both D. none of the above...
- If an induction motor with certain ratio of rotor to stator slots, runs at 1/7 of the normal speed, the phenomenon will be termed as____________?
- A. humming B. hunting C. crawling D. cogging...
- The shape of the torque/slip curve of induction motor is__________?
- A. parabola B. hyperbola C. rectangular parabola D. straigth line...
- When /?2 is the rotor resistance, .X2 the rotor reactance at supply frequency and s the slip, then the condition for maximum torque under running conditions will be_____________?
- A. sR2X2 = 1 B. sR2 = X2 C. R2 = sX2 D. R2 = s2X2...
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