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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
CO
SO₂
All of these

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DGVCL Exam Paper (12-06-2016)
The transformer works on the principle of:

Mutual induction
Mutual capacitance
All of these
None 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)
Wave trap is used to trap waves of:

All of these
None of these
Power frequencies
Higher frequencies entering generator or transformer units

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

Horse power
kVA
kW
kVAR

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

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

Reduce copper losses
Reduce all above losses
Reduce hysteresis loss
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 registered office of MGVCL is in _____

Godhra
Valsad
Vadodara
Ahmedabad

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Company : Registered Offfice
PGVCL : Rajkot
MGVCL : Vadodara
DGVCL : Surat
UGVCL : Mehsana
GETCO : Vadodara
GUVNL : Vadodara

MORE MCQ ON DGVCL Exam Paper (12-06-2016)

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