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Electrical Machines
A 3 - Φ slip ring motor has
short-circuited rotor.
wound rotor.
any of the above.
double cage rotor.
short-circuited rotor.
wound rotor.
any of the above.
double cage rotor.
Answer
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Related Question
Electrical Machines
Commutation in a DC machine may be explained as a process
how alternate flux affects the main field flux.
by which electric current in a coil is reversed.
by virtue of which emf is induced in the armature conductors.
in which magnetic field is set up.
how alternate flux affects the main field flux.
by which electric current in a coil is reversed.
by virtue of which emf is induced in the armature conductors.
in which magnetic field is set up.
Answer
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Electrical Machines
Which of the following motor is suitable for frequent starting and stoppings?
All of these
Capacitor start motor
Capacitor start capacitor run motor
Resistance split phase motor
All of these
Capacitor start motor
Capacitor start capacitor run motor
Resistance split phase motor
Answer
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Electrical Machines
A crusher is equipped with
Synchronous motor.
DC shunt motor.
Reluctance motor.
Slip ring induction motor.
Synchronous motor.
DC shunt motor.
Reluctance motor.
Slip ring induction motor.
Answer
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Electrical Machines
A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle?
30°
18°
20°
60°
30°
18°
20°
60°
Answer
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Electrical Machines
In DC generator, full form of MNA is what?
Magnetic neutral axis.
Magnetically no-load armature co-ordinate.
Magnetic neutral armature co-ordinate.
Magnetic no-load axis.
Magnetic neutral axis.
Magnetically no-load armature co-ordinate.
Magnetic neutral armature co-ordinate.
Magnetic no-load axis.
Answer
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