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Electrical Machines
A 3 - φ induction motor can also be referred to as a
shunt motor.
asynchronous motor.
repulsion motor.
transformer.
shunt motor.
asynchronous motor.
repulsion motor.
transformer.
Answer
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Related Question
Electrical Machines
A DC series motor is running at rated speed without any additional resistance in series. If an additional resistance is placedin series, the speed of motor
Increases.
Oscillates around the rated speed.
Remains unchanged.
Decreases.
Increases.
Oscillates around the rated speed.
Remains unchanged.
Decreases.
Answer
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Electrical Machines
What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05?
0.905.
1.1.
0.05.
20.
0.905.
1.1.
0.05.
20.
Answer
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Electrical Machines
In a synchronous motor, damper windings are provided on
None of these
pole faces.
stator frame.
rotor shaft.
None of these
pole faces.
stator frame.
rotor shaft.
Answer
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Electrical Machines
In shunt dc motor the direction of rotation of the motor will reversed. When
only armature terminals are reversed.
none of above.
either field terminals are reversed or armature terminals are reversed.
only field terminals are changed.
only armature terminals are reversed.
none of above.
either field terminals are reversed or armature terminals are reversed.
only field terminals are changed.
Answer
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Electrical Machines
A series motor is efficiently suitable for
low starting torque operation.
constant speed operation.
none of these.
high starting torque operation.
low starting torque operation.
constant speed operation.
none of these.
high starting torque operation.
Answer
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