A. secondary winding surrounds the primary winding
B. primary winding surrounds the secondary winding
C. both are usual arrangements
D. none of the above
Related Mcqs:
- In a capacitor start and run motors the function of the running capacitor in series with the auxiliary winding is to_______________?
A. improve power factor
B. increase overload capacity
C. reduce fluctuations in torque
D. to improve torque - A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will______________?
A. start and then stop
B. start and run slowly
C. start and run at rated speed
D. not start at all - In a capacitor start single-phase motor, when capacitor is replaced by a resistance____________?
A. torque will increase
B. the motor will consume less power
C. motor will run in reverse direction
D. motor will continue to run in same direction - In a two value capacitor motor, the capacitor used for running purposes is_______________?
A. air capacitor
B. paper spaced oil filled type
C. ceramic type
D. a.c. electrolytic type - In a split phase motor____________?
A. the starting winding is connected through a centrifugal switch
B. the running winding is connected through a centrifugal switch
C. both starting and running windings are connected through a centrifugal switch
D. centrifugal switch is used to control supply voltage - In repulsion motor direction of rotation of motor____________?
A. is opposite to that of brush shift
B. is the same as that of brush shift
C. is independent of brush shift - A reluctance motor____________?
A. is self-starting
B. is constant speed motor
C. needs no D.C. excitation
D. all of the above - If the capacitor of a single-phase motor is short-circuited_________?
A. the motor will not start
B. the motor will run
C. the motor will run in reverse direction
D. the motor will run in the same direction at reduced r.p.m - The value of starting capacitor of a fractional horse power motor will be__________?
A. 100 uF
B. 200 uF
C. 300 uF
D. 400 uF - Two-value capacitor motor finds increased application as compressor motor in small home air-conditioners because_____________?
A. it is comparatively cheaper
B. it has almost non-destructible capacitor
C. it has low starting as well as running currents at relatively high power factor
D. it is quiet in operation
