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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
Shunt capacitors in a substation

consume active power
delivers lagging VAR
deliver active power
consumes lagging VAR

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GETCO Exam Paper (22-07-2015)
Light from the nearest star (other than the sun) reaches the earth in

4.2 hours
4.2 minutes
4.2 years
42 secs

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GETCO Exam Paper (22-07-2015)
The power factor of the arc in circuit breaker is

always lagging
always unity
always leading
always zero

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GETCO Exam Paper (22-07-2015)
No load efficiency of tranformer is _____ than full load efficiency

lesser
depends on load
same
greater

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GETCO Exam Paper (22-07-2015)
In case of a balanced three phase sinusoidal AC supply, because of the phase difference

neutral current is high if load is not balanced
rotating magnetic field is produced
all are correct
neutral wire is not required, if load is balanced

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GETCO Exam Paper (22-07-2015)
In rotating electrical machines, the insulation temperature limit for class B type is

130˚C
180˚C
150˚C
105˚C

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

insulation Class and temperature limit(in ˚C) is given below:
Y - 90
A- 105
E- 120
B-130
F-155
H-180
C- above 180

MORE MCQ ON GETCO Exam Paper (22-07-2015)

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