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DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
The process of a computer receiving information from a server via Internet is known as:

Retrieving
Downloading
All of these
Uploading

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DGVCL Exam Paper (12-06-2016)
SF₆ gas:

Is nontoxic
Is lighter than air
Is yellow in colour
Has pungent smell

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DGVCL Exam Paper (12-06-2016)
In a transformer the energy is conveyed from primary to secondary

None of these
Through air
By the flux
Through cooling coil

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function of transfomer is that transfer electrical energy from primary cicuit to secondary through magnetic cicuit by mutual induction

DGVCL Exam Paper (12-06-2016)
As per Electricity Act, _____ means a person who has been granted a license to undertake trading in electricity under section 12.

Electricity supplier
Electricity trader
None of these
All of these

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DGVCL Exam Paper (12-06-2016)
The kVA rating of Three-phase transformer with Voltage = 200 V and Current = 100 A will be :

None of these
20 kVA
34.64 kVA
75 kVA

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For three phase,
VA = √3 V I

For single phase, kVA = V I

DGVCL Exam Paper (12-06-2016)
A Transformer _____

Changes DC to AC
Changes AC to DC
Steps up or down DC Voltages & Current
Steps up or down AC Voltages & Current

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