A. voltage rating
B. dielectric medium
C. polarity marking
D. definite value
Related Mcqs:
- 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 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 - Which of the following single-phase motors is suitable for timing and control purposes ?
A. Reluctance motor
B. Series motor
C. Repulsion motor
D. Universal motor - Which of the following single-phase induction motors is generally used in time phonographs ?
A. Resistance start
B. Capacitor start capacitor run
C. Shaded pole
D. Universal - Which of the following single-phase motors has relatively poor starting torque ?
A. Universal motor
B. Repulsion motor
C. Capacitor motor
D. All single phase motors have zero starting torque - Which of the following statements regarding single-phase induction motors correct?
A. It requires only one winding
B. It can rotate in one direction only
C. It is self-starting
D. It is not self-starting - If the centrifugal switch of a two-value capacitor motor using two capacitors fails to open then____________?
A. motor will not come up to speed
B. motor will not carry the load
C. current drawn by the motor will be excessively high
D. electrolytic capacitor will, in all probability, suffer break down - In capacitor start single-phase motors____________?
A. current in the starting winding leads the voltage
B. current in the starting winding lags the voltage
C. current in the starting winding is in phase with voltage in running winding
D. none 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
