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DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
The rating of fuse wire is always expressed in _____

Amperes
Ampere-hours
kWh
Ampere-volts

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Equipment :
Rating Fuse : Ampere
Transformer : kVA
Alternator : kVA
Motor : kW/HP
Battery : ampere-hour

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

Downloading
Uploading
All of these
Retrieving

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DGVCL Exam Paper (12-06-2016)
The rating of transformer may be expressed in _____

kVAR
Horse power
kW
kVA

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Equipment : Rating
Transformer : kVA
Alternator : kVA
Motor : kW/HP
Battery : ampere-hour

DGVCL Exam Paper (12-06-2016)
Which of the following does not change in a transformer?

Voltage
All of these
Frequency
Current

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In transformer voltage and current can be raised or lowered.
Frequency remains same
Power and Flux remains almost constant.

DGVCL Exam Paper (12-06-2016)
The SI unit of energy is :

Newton
Joule
Henry
Coulomb

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DGVCL Exam Paper (12-06-2016)
The friction losses in Real Transformers are :

0.05
0
0.5
0.25

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

As there is no rotating part in transformer, there is no friction and windage loss

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