Short-circuiter is used in_____________?
A. repulsion induction motor
B. repulsion motor
C. repulsion start induction run motor
D. none of the above
Short-circuiter is used in_____________? Read More »
Single Phase Induction Motors A. repulsion induction motor
B. repulsion motor
C. repulsion start induction run motor
D. none of the above
Short-circuiter is used in_____________? Read More »
Single Phase Induction Motors A. 95% to 99%
B. 80% to 90%
C. 50% to 75%
D. 5% to 35%
The range of efficiency for shaded pole motors is______________? Read More »
Single Phase Induction Motors A. short circuited capacitor
B. capacitor value hiving changed
C. open circuiting of capacitor
D. none of the above
Burning out of winding is due to___________? Read More »
Single Phase Induction Motors A. running winding only
B. starting winding only
C. either A. or (b)
D. both A. and (b)
A. Split motor
B. Shaded-pole motor
C. Reluctance motor
D. None of these
Which of the following motors is inherently self starting ? Read More »
Single Phase Induction Motors A. interchanging the supply leads
B. position of shaded pole with respect to main pole
C. retentivity of the rotor material
D. none of these
The direction of rotation of an hysteresis motor is determined by____________? Read More »
Single Phase Induction Motors A. start and then stop
B. start and run slowly
C. start and run at rated speed
D. not start at all
A. Repulsion motor
B. Reluctance motor
C. Hysteresis motor
D. Universal motor
Which of the following motors is used in mixies ? Read More »
Single Phase Induction Motors A. disconnects auxiliary winding of the motor
B. disconnects main winding of the motor
C. reconnects the main winding the motor
D. reconnects the auxiliary winding of the motor
In a single phase motor the centrifugal switch____________? Read More »
Single Phase Induction Motors A. at the end connections
B. at the end terminals
C. anywhere on the winding inside a slot
D. at the slot edge where coil enters or comes out of the slot