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DGVCL Exam Paper (12-06-2016)

DGVCL Exam Paper (12-06-2016)
The problematic pollutants in emission of coal based generating plants _____

NOx
SO₂
All of these
CO

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DGVCL Exam Paper (12-06-2016)
Increasing the number of turns of wire on the secondary of a transformer will

Decrease the secondary current
Increase the secondary current
Have no effect on the secondary current
Increase the primary current

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂

DGVCL Exam Paper (12-06-2016)
A _____ is used to measure the stator % winding temperature of the generator.

Thermometer
Thermocouple
Pyrometer
Resistance thermometer

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DGVCL Exam Paper (12-06-2016)
The consumer of electricity could be:

Agricultural
Industrial and Commercial
Domestic
All of these

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DGVCL Exam Paper (12-06-2016)
The acting contacts for a circuit breakers are made of :

Copper Tungsten alloy
Hard-pressed carbon
Porcelain
Stainless Steel

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

0.5
0
0.25
0.05

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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