The picture on the monitor of a computer is made up of tiny coloured dots called

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

Spots

Pixels

Icons

Points

Spots

Pixels

Icons

Points

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DGVCL Exam Paper (11-12-2011)
The bus bar zone faults are generally

Double line to ground faults

Three phase short ciruits

Single line to ground faults

Phase to phase faults

Double line to ground faults

Three phase short ciruits

Single line to ground faults

Phase to phase faults

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DGVCL Exam Paper (11-12-2011)
Under operating conditions, the secondary of a current transformer is always short ciruited because

It protects the secondary ciruits

It avoids core saturation and high voltage induction

It protects the primary ciruits

It is safe to human beings

It protects the secondary ciruits

It avoids core saturation and high voltage induction

It protects the primary ciruits

It is safe to human beings

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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

The cross-magnetizing effect of armature mmf

Both the cross-magnetizing mmf and the reactance voltage

The demagnetizing effect of armature mmf

The reactance voltage

The cross-magnetizing effect of armature mmf

Both the cross-magnetizing mmf and the reactance voltage

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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)
If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be

10

50

25

15

10

50

25

15

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DGVCL Exam Paper (11-12-2011)

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) The bus bar zone faults are generally

DGVCL Exam Paper (11-12-2011) Under operating conditions, the secondary of a current transformer is always short ciruited because

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

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) If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be

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)
The bus bar zone faults are generally

DGVCL Exam Paper (11-12-2011)
Under operating conditions, the secondary of a current transformer is always short ciruited because

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

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)
If the fault current is 2000 A, the relay plug setting is 50% and the CT ratio is 400/5, the plug setting multiple will be