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DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
For 11 kV line the capacitance per km per phase will be of the order of:

0.01 Farad
0.01 microF
0.1 Farad
1 Farad

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DGVCL Exam Paper (12-06-2016)
Which of the following are components of Central Processing Unit (CPU)?

Arithmetic logic unit, Mouse
Control Unit, Monitor
Arithmetic logic unit, Integrated Circuits
Arithmetic logic unit, Control unit

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DGVCL Exam Paper (12-06-2016)
Transformer core is laminated to _____

Reduce hysteresis loss
Reduce copper losses
Reduce all above losses
Reduce eddy current losses

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To reduce eddy current loss laminations is done.
To reduce hysteresis loss good magnetic material (whose specific hysterisis loss is low) is used.

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 transformer works on the principle of:

Mutual induction
Mutual capacitance
None of these
All of these

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Transformer is static device.
two or more stationary electrical circuit mutually linked by magnetic circuit.
assumptions of ideal transformer:
1. there are no losses.
2. whole magnetic flux constant no leakage.
3. permeability of core is infinite.

DGVCL Exam Paper (12-06-2016)
The Minimum Oil Circuit Breaker (MOCB) is named because of :

All of these
Reduced requirement of oil
None of these
Reduced requirement of air

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