In the protection of transformers, harmonic restraint is used to guard against

DGVCL Exam Paper (11-12-2011)
In the protection of transformers, harmonic restraint is used to guard against

Switching over voltages

Magnetizing inrush current

Lightning

Unbalanced protection

Switching over voltages

Magnetizing inrush current

Lightning

Unbalanced protection

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DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

Split phase motor

Universal motor

Capacitor start motor

Capacitor start capacitor run motor

Split phase motor

Universal motor

Capacitor start motor

Capacitor start capacitor run motor

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DGVCL Exam Paper (11-12-2011)
First zone distance relay protects the transmission line section upto

Its full length

80 % of its full length

25 % of its full length

50 % of its full length

Its full length

80 % of its full length

25 % of its full length

50 % of its full length

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DGVCL Exam Paper (11-12-2011)
The circuit breaker generally used in railway traction is

Air break CB

Bulk Oil CB

Vacuum CB

Minimum Oil CB

Air break CB

Bulk Oil CB

Vacuum CB

Minimum Oil CB

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DGVCL Exam Paper (11-12-2011)
All the peripheral devices connected to a computer require power to work. Which of the following voltages is required for the motherboard to work?

DC

Negative cycle of sine wave

AC

Positive cycle of sine wave

DC

Negative cycle of sine wave

AC

Positive cycle of sine wave

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DGVCL Exam Paper (11-12-2011)
If the excitation of a synchronous generator fails, it acts as a

Synchronous motor

Induction motor

Synchronous generator

Induction generator

Synchronous motor

Induction motor

Synchronous generator

Induction generator

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DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) In the protection of transformers, harmonic restraint is used to guard against

DGVCL Exam Paper (11-12-2011) The motor used in celling fans is

DGVCL Exam Paper (11-12-2011) First zone distance relay protects the transmission line section upto

DGVCL Exam Paper (11-12-2011) The circuit breaker generally used in railway traction is

DGVCL Exam Paper (11-12-2011) All the peripheral devices connected to a computer require power to work. Which of the following voltages is required for the motherboard to work?

DGVCL Exam Paper (11-12-2011) If the excitation of a synchronous generator fails, it acts as a

DGVCL Exam Paper (11-12-2011)
In the protection of transformers, harmonic restraint is used to guard against

DGVCL Exam Paper (11-12-2011)
The motor used in celling fans is

DGVCL Exam Paper (11-12-2011)
First zone distance relay protects the transmission line section upto

DGVCL Exam Paper (11-12-2011)
The circuit breaker generally used in railway traction is

DGVCL Exam Paper (11-12-2011)
All the peripheral devices connected to a computer require power to work. Which of the following voltages is required for the motherboard to work?

DGVCL Exam Paper (11-12-2011)
If the excitation of a synchronous generator fails, it acts as a