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.Management Sciences
A. the motor is said to be fully loaded
B. the torque generated is maximum
C. the excitation is said to be zero per cent
D. the excitation is said to be hundred per cent
Related Mcqs:
- An over-excited synchronous motor takes__________?
- A. leading current B. lagging current C. both A. and (b) D. none of the above...
- The magnitude of field flux in a 3-phase synchronous motor?
- A. varies with power factor B. varies with speed C. varies with the load D. remains constant at all loads...
- The maximum speed variation in a 3-phase synchronous motor is____________?
- A. 10 per cent B. 6 per cent C. 4 per cent D. 2. per cent E. zero...
- As the load is applied to a synchronous motor, the motor takes more armature current because
- A. the increased load has to take more current B. the rotor by shifting its phase backward causes motor to take more current C. the back e.m.f. decreases causing an increase in motor current D. the rotor strengthens the rotating field casuing more motor current...
- A rotory converter can also be run as a___________?
- A. d.c. shunt motor B. d.c. series motor C. d.c. compound motor D. induction motor E. synchronous motor...
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