DGVCL Exam Paper (11-12-2011)
The advantage of slipring induction motor over the squirrel cage induction motor is

It can be started with the help of rotor resistances
It has a higher efficiency
It is suitable for higher speeds
It's power factor is higher

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DGVCL Exam Paper (11-12-2011)
A Mho relay is a

Voltage controlled over current relay
Voltage restrained directional relay
Directional restrained over current relay
Directional restrained over voltage relay

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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?

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

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