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.Management Sciences
A. vector sum of Eb and V
B. arithmetic sum of Eb and V
C. arithmetic difference of Eb and V
D. vector difference of Eh and V
Related Mcqs:
- An important advantage of a synchronous motor over wound round induction motor is that
- A. its power factor may be varied at will B. its speed is independent of supply frequency C. its speed may be controlled more easily D. none of the above...
- A synchronous motor develops maximum power when load angle is____________?
- A. 45° B. 60° C. 90° D. 120°...
- The shaft of synchronous motor is made of____________?
- A. mild steel B. chrome steel C. alnico D. stainless steel...
- Which of the following methods is used to start a synchronous motor?
- A. Damper winding B. Star-delta starter C. Damper winding in conjunction with star-delta starter D. Resistance starter in the armature circuit...
- If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then_____________?
- A. the stator current will be zero B. the stator current will be very small C. the stator current will be very high D. the back e.m.f. will be more than the supply voltage E. none of the above...
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