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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008)
Which of the following inernational body is associated / collaborating in the National 'Population Education Programme' in the country?

UNFPA
IMF
WHO
UNESCO

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GETCO Exam Paper (30-11-2008)
The arc voltage in a C.B. is _____ with the arc current

leading by 90˚
in phase
lagging by 90˚
none of these

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GETCO Exam Paper (30-11-2008)
In the parallel operation of transformers, which statement is false

None of these
transformers kVA ratings equal
transformers transformation ratios same
transformers voltage ratings same

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GETCO Exam Paper (30-11-2008)
A CB under normal conditions, should be inspected once in

a month
5 years
a week
3 or 6 months

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GETCO Exam Paper (30-11-2008)
Two transformers are connected in parallel and share loads in the ratio of their kVA ratings when their ohmic impedances are

in inverse ratio of their ratings
purely reactive
equal
in direct ratio of their ratings

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GETCO Exam Paper (30-11-2008)
Which loss in a transformer varies significantly with load?

Eddy current loss
Hysteresis loss
Copper loss
Core loss

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

During O.C test obtained no load losses (core loss)
During S.C. test obtained copper loss (load losses)
during loaded condition of transformer copper loss more significant than core loss.

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