The positive and negative sequence impedance of a transmission line are

DGVCL Exam Paper (11-12-2011)
The positive and negative sequence impedance of a transmission line are

Infinite

Equal

Zero

Different

Infinite

Equal

Zero

Different

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

Universal motor

Capacitor start motor

Capacitor start capacitor run motor

Split phase motor

Universal motor

Capacitor start motor

Capacitor start capacitor run motor

Split phase motor

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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

50

25

15

10

50

25

15

10

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DGVCL Exam Paper (11-12-2011)
In carrier current protection, the purpose of the wave trap is for

Trapping high frequency waves entering into generator/transformer unit.

All of these

Tripping fault current

Trapping power frequency waves

Trapping high frequency waves entering into generator/transformer unit.

All of these

Tripping fault current

Trapping power frequency waves

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DGVCL Exam Paper (11-12-2011)
The purpose of skewing of rotor slots in an induction motor is

To increase the breadth factor

To reduce the locking tendency of the rotor

To increase the distributuion factor

To reduce the magnetic hum of the motor

To increase the breadth factor

To reduce the locking tendency of the rotor

To increase the distributuion factor

To reduce the magnetic hum of the motor

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DGVCL Exam Paper (11-12-2011)
Which of the following power distribution system gives better reliabity ?

Radial system

Ring main system

DC 3 wire system

None of these

Radial system

Ring main system

DC 3 wire system

None of these

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)

DGVCL Exam Paper (11-12-2011) The positive and negative sequence impedance of a transmission line are

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

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) In carrier current protection, the purpose of the wave trap is for

DGVCL Exam Paper (11-12-2011) The purpose of skewing of rotor slots in an induction motor is

DGVCL Exam Paper (11-12-2011) Which of the following power distribution system gives better reliabity ?

DGVCL Exam Paper (11-12-2011)
The positive and negative sequence impedance of a transmission line are

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

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)
In carrier current protection, the purpose of the wave trap is for

DGVCL Exam Paper (11-12-2011)
The purpose of skewing of rotor slots in an induction motor is

DGVCL Exam Paper (11-12-2011)
Which of the following power distribution system gives better reliabity ?