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DGVCL Exam Paper (12-06-2016)

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

P = VxI
P = V²/R
All of these
P = I²xR

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True for DC Circuits.

For single pahse ac P = V I CosØ

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

0.1 mH
1 mH
0.1 H
1 H

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DGVCL Exam Paper (12-06-2016)
Which of the following 3-phase connection of a transformer causes interference with the neighbouring communication lines:

Star-Star
Star-Delta
Delta-Delta
Delta-Star

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

Retrieving
Uploading
Downloading
All of these

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DGVCL Exam Paper (12-06-2016)
The overall efficiency of Thermal Power Plant is equal to _____

Regenerative Cycle Efficiency
Renkine Cycle Efficiency
Carnot cycle efficiency
None of these

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Product of boiler efficiency, turbine efficiency and generator efficiency.

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

8 kWh
800 Wh
0.8 kWh
None of these

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

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