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Electrical Machines
Which of the following is the largest conversion device?
DC machine
All of these
Induction machine
Synchronous machine
DC machine
All of these
Induction machine
Synchronous machine
Answer
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Related Question
Electrical Machines
The slip of an induction motor normally does not depend on which of the following?
Rotor speed.
Shaft torque.
Synchronous speed.
Core loss component.
Rotor speed.
Shaft torque.
Synchronous speed.
Core loss component.
Answer
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Electrical Machines
Which type of motors are preferred in lifts?
DC shunt motors.
DC compound motors.
None of these
DC series motors.
DC shunt motors.
DC compound motors.
None of these
DC series motors.
Answer
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Electrical Machines
In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called
slip.
skewing.
cogging.
crawling.
slip.
skewing.
cogging.
crawling.
Answer
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Electrical Machines
Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of
6 / 7.
5 / 6.
2 / 3.
4 / 5.
6 / 7.
5 / 6.
2 / 3.
4 / 5.
Answer
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Electrical Machines
A 10 kW, 230 V, dc shunt machine has four terminals brought out through four leads. For this machine
both the windings have thin leads
both the windings have thick leads
armature winding has thin leads whereas field winding has thick leads
armature winding has thick leads whereas field winding has thin leads
both the windings have thin leads
both the windings have thick leads
armature winding has thin leads whereas field winding has thick leads
armature winding has thick leads whereas field winding has thin leads
Answer
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