Which type of back up protection is widely used for the protection of transmission lines?

DGVCL Exam Paper (11-12-2011)
Which type of back up protection is widely used for the protection of transmission lines?

Control backup

Remote backup

Breaker backup

Relay backup

Control backup

Remote backup

Breaker backup

Relay backup

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DGVCL Exam Paper (11-12-2011)
What happens to the contents of RAM (Random Access Memory) when the power of the computer is turned off?

Content remains intact

Content is lost

Content is transferred to other memory

Content gets corrupted

Content remains intact

Content is lost

Content is transferred to other memory

Content gets corrupted

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DGVCL Exam Paper (11-12-2011)
Which motor is used to start heavy loads?

Shunt motor

Series motor

Differentially compounded motor

Cumulatively compounded motor

Shunt motor

Series motor

Differentially compounded motor

Cumulatively compounded motor

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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

Eliminate losses on account of fair friction

Eliminate hunting and provide adequate starting torque

Reduce bearing friction

Reduce winding losses

Eliminate losses on account of fair friction

Eliminate hunting and provide adequate starting torque

Reduce bearing friction

Reduce winding losses

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DGVCL Exam Paper (11-12-2011)
The main advantage of using fractional pitch winding is to refuce

Harmonics in the generated emf

Amount of copper in the winding

Cost of the machine

Size of the machine

Harmonics in the generated emf

Amount of copper in the winding

Cost of the machine

Size of the machine

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DGVCL Exam Paper (11-12-2011)
DC series motors are best suited for traction work because

Torque and speed are inversely proportional to the square of the armature current

Torque and speed are proportional to the square of the armature current

Its torque is proportional to the square of the armature current and speed is directional proporational to torque

Its torque is proportional to the square of the armature current and speed is inversely proportional to torque

Torque and speed are inversely proportional to the square of the armature current

Torque and speed are proportional to the square of the armature current

Its torque is proportional to the square of the armature current and speed is directional proporational to torque

Its torque is proportional to the square of the armature current and speed is inversely proportional to torque

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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) Which type of back up protection is widely used for the protection of transmission lines?

DGVCL Exam Paper (11-12-2011) What happens to the contents of RAM (Random Access Memory) when the power of the computer is turned off?

DGVCL Exam Paper (11-12-2011) Which motor is used to start heavy loads?

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 main advantage of using fractional pitch winding is to refuce

DGVCL Exam Paper (11-12-2011) DC series motors are best suited for traction work because

DGVCL Exam Paper (11-12-2011)
Which type of back up protection is widely used for the protection of transmission lines?

DGVCL Exam Paper (11-12-2011)
What happens to the contents of RAM (Random Access Memory) when the power of the computer is turned off?

DGVCL Exam Paper (11-12-2011)
Which motor is used to start heavy loads?

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 main advantage of using fractional pitch winding is to refuce

DGVCL Exam Paper (11-12-2011)
DC series motors are best suited for traction work because