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

Reach

Over reach

Under reach

Pick up

Reach

Over reach

Under reach

Pick up

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

The reactance voltage

The cross-magnetizing effect of armature mmf

The demagnetizing effect of armature mmf

Both the cross-magnetizing mmf and the reactance voltage

The reactance voltage

The cross-magnetizing effect of armature mmf

The demagnetizing effect of armature mmf

Both the cross-magnetizing mmf and the reactance voltage

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DGVCL Exam Paper (11-12-2011)
Distribution transformers have good all day efficiency due to

Low iron loss

Low voltage

Low copper as well as iron loss

Low copper loss

Low iron loss

Low voltage

Low copper as well as iron loss

Low copper loss

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DGVCL Exam Paper (11-12-2011)
The picture on the monitor of a computer is made up of tiny coloured dots called

Icons

Points

Spots

Pixels

Icons

Points

Spots

Pixels

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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 circuit breaker-open isolator-close earthing switch

Close earthing switch - open ciruit- breaker-open islotor

Close circuit breaker-close isolator - open earthing switch

Open isolator close circuit breaker-open earthing switch

Open circuit breaker-open isolator-close earthing switch

Close earthing switch - open ciruit- breaker-open islotor

Close circuit breaker-close isolator - open earthing switch

Open isolator close circuit breaker-open earthing switch

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DGVCL Exam Paper (11-12-2011)
An over excited synchronous motor draws current at

Lagging power factor

Depends on nature of load

Unity power factor

Leading power factor

Lagging power factor

Depends on nature of load

Unity power factor

Leading power factor

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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) The purpose of interpoles in DC machines is to nullify

DGVCL Exam Paper (11-12-2011) Distribution transformers have good all day efficiency due to

DGVCL Exam Paper (11-12-2011) The picture on the monitor of a computer is made up of tiny coloured dots called

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) An over excited synchronous motor draws current at

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)
The purpose of interpoles in DC machines is to nullify

DGVCL Exam Paper (11-12-2011)
Distribution transformers have good all day efficiency due to

DGVCL Exam Paper (11-12-2011)
The picture on the monitor of a computer is made up of tiny coloured dots called

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)
An over excited synchronous motor draws current at