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DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
A relay used for protection of motors against overload is :

Thermal relay
Impedance relay
Buchholz's relay
Electromagnetic attraction type

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DGVCL Exam Paper (12-06-2016)
The following formula is correct:

Diversity factor = 1/Coincidence Factor
Diversity factor = 1 - Coincidence Factor
All of these
Diversity factor = 1 x Coincidence Factor

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DGVCL Exam Paper (12-06-2016)
In a transmission line if booster transformers are to be used, preferred location will be

At the receiving end
At the sending end
At the intermediate point
Anywhere in the line

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DGVCL Exam Paper (12-06-2016)
For a 66 kV line having span of 200 meters between towers the approximate sag will be 2 m. If the span is double the sag will be:

1 m
4 m
2 m
8 m

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DGVCL Exam Paper (12-06-2016)
A 100-watt light bulb turned on for 8 hours uses :

0.8 kWh
800 Wh
None of these
8 kWh

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In Solution 0.8 kWh and 800 Wh both options are given as answer as both are correct

DGVCL Exam Paper (12-06-2016)
The core construction is like spokes of a wheel in following transformer:

Berry Type Transformer
Core Type Transformer
None of these
Shell Type Transformer

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MORE MCQ ON DGVCL Exam Paper (12-06-2016)

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