In a hysteresis motor, the rotor must have
A. retentivity
B. resistivity
C. susceptibility
D. none of the above
Answer: Option A
A. retentivity
B. resistivity
C. susceptibility
D. none of the above
Answer: Option A
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 a ceilingfan employing capacitor run motor
A. secondary winding surrounds the primary winding
B. primary winding surrounds the secondary winding
C. both are usual arrangements
D. none of the above
Which type of load is offered by cranes and hoists ?
A. Gradually varying load
B. Non-reversing, no-load start
C. Reversing, light start
D. Reversing, heavy start
Which of the following motors is preferred for tape-recorders?
A. Shaded pole motor
B. Hysteresis motor
C. Two value capacitor motor
D. Universal motor
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