DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
Induction cup relay is operated due to changes in :

All of these

Impedance

Current

Voltage

All of these

Impedance

Current

Voltage

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DGVCL Exam Paper (12-06-2016)
Core type transformers are popular in _____

All of these

High voltage applications

None of these

Low voltage applications

All of these

High voltage applications

None of these

Low voltage applications

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DGVCL Exam Paper (12-06-2016)
The energy radiated by Sun on a bright Sunny day is approximately:

800 W/m²

700 W/m²

1 kW/m²

2 kW/m²

800 W/m²

700 W/m²

1 kW/m²

2 kW/m²

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DGVCL Exam Paper (12-06-2016)
GUVNL is:

Gujarat Urja Vyapar Nigam Limited

Gujarat Urja Vikas Nigam Limited

Gujarat Urja Vikas Nikash Limited

None of these

Gujarat Urja Vyapar Nigam Limited

Gujarat Urja Vikas Nigam Limited

Gujarat Urja Vikas Nikash Limited

None of these

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DGVCL Exam Paper (12-06-2016)
The following is/are the characteristics of SF₆ circuit breakers:

Short break time of 2 to 2.5 cycles

All of these

It does not need an auxiliary breaking chamber

None of these

Short break time of 2 to 2.5 cycles

All of these

It does not need an auxiliary breaking chamber

None of these

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DGVCL Exam Paper (12-06-2016)
In case the height of transmission tower is increased, which of the following parameter is likely to change?

Inductance

Resistance

Capacitance

None of these

Inductance

Resistance

Capacitance

None of these

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