DGVCL Exam Paper (11-12-2011)
A fuse wire should have

Low specific resistance and high melting point
Low specific resistance and low melting point
High specific resistance and high melting point
High specific resistance and low melting point

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DGVCL Exam Paper (11-12-2011)
The purpose of skewing of rotor slots in an induction motor is

To increase the distributuion factor
To reduce the locking tendency of the rotor
To increase the breadth factor
To reduce the magnetic hum of the motor

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DGVCL Exam Paper (11-12-2011)
The purpose of interpoles in DC machines is to nullify

The demagnetizing effect of armature mmf
The reactance voltage
Both the cross-magnetizing mmf and the reactance voltage
The cross-magnetizing effect of armature mmf

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