To reverse the direction of rotation of acapacitor start motor while it is running we should
A. disconnect motor from the supply till it stops then reconnect it to supply with reversed connection of main or auxiliary winding
B. disconnect motor from supply and immediately reconnect it to supply with reversed con-nections of the main winding
C. reverse the direction of connection of the auxiliary winding and after motor comes to rest then connect auxiliary winding to the supply
D. reverse the direction of connections of the auxiliary winding and immediately connect it to supply
Answer: Option A
This Question Belongs to Electrical Engineering >> Single Phase Induction Motors
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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