DGVCL Exam Paper (11-12-2011)
The corona effect can be minimized by increasing

Spacing between the conductors
The length of the conductor
Diameter of the conductor
Both spacing between the conductors and diameter of the conductor

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DGVCL Exam Paper (11-12-2011)
Two parallel conductors are carrying the current in the same direction. Which of the following statements is correct?

There is an attracting force between the conductors
The force increases when the distance between the conductors is decreased
There is a repelling force between the conductors
The force increases when the distance between the conductors is increased

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

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