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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008)
The relay best suited for phase fault relaying for medium transmission line is

none of these
impedance relay
mho relay
reactance relay

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

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

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GETCO Exam Paper (30-11-2008)
The first oil refinery in India was set up at

Bombay (Mumbai)
Diboi
Barauni
Vishakhapatnam

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GETCO Exam Paper (30-11-2008)
Isolaters used in transmission lines are capable of breaking

charging current
load current
no current
fault current

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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

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

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GETCO Exam Paper (30-11-2008)
An air blast C.B. is usually employed for _____ duty

intermittent
repeated
instantaneous
short

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