If a relay fails to operate inspite of a fault in its own zone of protection, it is said to

DGVCL Exam Paper (11-12-2011)
If a relay fails to operate inspite of a fault in its own zone of protection, it is said to

Over reach

Pick up

Reach

Under reach

Over reach

Pick up

Reach

Under reach

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

Voltage restrained directional relay

Voltage controlled over current relay

Directional restrained over voltage relay

Directional restrained over current relay

Voltage restrained directional relay

Voltage controlled over current relay

Directional restrained over voltage relay

Directional restrained over current relay

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DGVCL Exam Paper (11-12-2011)
The purpose of embedding the damper winding in the pole face of a synchronous motor is to

Reduce winding losses

Eliminate hunting and provide adequate starting torque

Eliminate losses on account of fair friction

Reduce bearing friction

Reduce winding losses

Eliminate hunting and provide adequate starting torque

Eliminate losses on account of fair friction

Reduce bearing friction

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DGVCL Exam Paper (11-12-2011)
The best location of the power factor correction equipment to be installed in the transmission line is at

The sending end

Any place

The receiving end

Middle of the line

The sending end

Any place

The receiving end

Middle of the line

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DGVCL Exam Paper (11-12-2011)
Hysteresis in an instrument means

The inaccuracy due to change in temperature

The reliability of the instrument

The repeatability of the instrument

The change in the same reading when the input is first increased and then decreased

The inaccuracy due to change in temperature

The reliability of the instrument

The repeatability of the instrument

The change in the same reading when the input is first increased and then decreased

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DGVCL Exam Paper (11-12-2011)
Which of the following correctly represents the sequence of operations of isolator, circiut breaker and earthing switch while opening a circuit?

Open isolator close circuit breaker-open earthing switch

Close circuit breaker-close isolator - open earthing switch

Close earthing switch - open ciruit- breaker-open islotor

Open circuit breaker-open isolator-close earthing switch

Open isolator close circuit breaker-open earthing switch

Close circuit breaker-close isolator - open earthing switch

Close earthing switch - open ciruit- breaker-open islotor

Open circuit breaker-open isolator-close earthing switch

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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) If a relay fails to operate inspite of a fault in its own zone of protection, it is said to

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

DGVCL Exam Paper (11-12-2011) The purpose of embedding the damper winding in the pole face of a synchronous motor is to

DGVCL Exam Paper (11-12-2011) The best location of the power factor correction equipment to be installed in the transmission line is at

DGVCL Exam Paper (11-12-2011) Hysteresis in an instrument means

DGVCL Exam Paper (11-12-2011) Which of the following correctly represents the sequence of operations of isolator, circiut breaker and earthing switch while opening a circuit?

DGVCL Exam Paper (11-12-2011)
If a relay fails to operate inspite of a fault in its own zone of protection, it is said to

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

DGVCL Exam Paper (11-12-2011)
The purpose of embedding the damper winding in the pole face of a synchronous motor is to

DGVCL Exam Paper (11-12-2011)
The best location of the power factor correction equipment to be installed in the transmission line is at

DGVCL Exam Paper (11-12-2011)
Hysteresis in an instrument means

DGVCL Exam Paper (11-12-2011)
Which of the following correctly represents the sequence of operations of isolator, circiut breaker and earthing switch while opening a circuit?