Related Questions

In case of a shaded pole motor the direction of rotation of the motor is
A from main pole to shaded pole
B from shaded pole to main pole
C either of the above depending on voltage
D either of the above depending on power factor
A small square region inside a larger square is shaded. The diagonal of the larger square is three times the diagonal of the small square in length. What fraction of the area of the larger square is not shaded?
A 1/9
B 1/3
C 2/3
D 8/9
Radius of circle center 0 is 3 times the radius of circle center C. Angle ACB -A angle POQ. If the shaded are of circle C is 2 then what is the area of then shaded part of circleO?
A 36
B 9
C 12
D 18
A shaded pole motor does not possess
A centrifugal switch
B capacitor
C commutator
D all of the above
In a shaded pole motor, the shading coil usually consist of
A a single turn of heavy wire which is in parallel with running winding
B a single turn of heavy copper wire which is short-circuited and carries only induced current
C a multilayer fine gauge copper wire in parallel with running winding
D none of the above
The shaded pole motor is used for
A high starting torque
B low starting torque
C medium starting torque
D very high starting torque
In a shaded pole single-phase motor, the revolving field is produced by the use of
A inductor
B capacitor
C resistor
D shading coils
A shaded pole motor can be used for
A toys
B hair dryers
C circulators
D any of the above
There are 23 poles with a constant distance between each pole. A car takes 24 seconds to reach the 12th pole. How much more time will it take to reach the last pole?
A 40 seconds
B 44 seconds
C 48 seconds
D 46 seconds
A 4 pole 50 Hz induction motor is running at 1300 rpm. Find the speed of stator magnetic field with respect to the rotor?
A 200 rpm
B 1500 rpm
C 1300 rpm
D 1700 rpm

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