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Electrical Machines

Electrical Machines
The output power of any electrical motor is taken from the

 Coupling mounted on the shaft.
 Armature.
 Motor frame.
 Field.

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Electrical Machines
Stepper motor is used in

 traction
 food processing
 computer printers
All of these

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Electrical Machines
Series field consists of--------number of turns and ---------- conductors respectively

 less and thin
 less and thick
 large and thick
 large and thin

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Electrical Machines
In salient pole synchronous machine, maximum power occurs at a load angle of

 less than 90°
 90°
 Greater than 90°
 0°

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Electrical Machines
Universal motors are used in

All of these
 traction
 food processing
 cranes

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Electrical Machines
Which of the following represents the operating region of slip in a 1-phase induction motor?

 -1 < S < 1
 0 < S < 1
 -2 < S < 2
 0 < S < 2

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