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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
Who is the vice president of India? (As on 22/07/2015)

Nazama heptulla
Dr. Hamid Ansari
Pranav Mukharjee
O.P. Kohli

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GETCO Exam Paper (22-07-2015)
100% string efficiency means

Equal potential across each disc
One of the insulator discs shorted
Zero potential across each disc
None uniform potential distribution across each disc

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GETCO Exam Paper (22-07-2015)
Which of the following breaking method save energy?

dynamic breaking
plugging
resistor breaking
regenerative breaking

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

three types of electric breaking:
Regenerative breaking( leads to economic and energy consevation)
pugging (more efficient method of breaking)
rheostatic breaking

GETCO Exam Paper (22-07-2015)
The relay which is most sensitive to power swings (mal operation) is

Over current Relay
Reactance Relay
Mho Relay
Impedance Relay

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GETCO Exam Paper (22-07-2015)
In sub stations for making and breaking of load current

relays are used
isolators are used
load interrupter switches are used
circuit breakers are used

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GETCO Exam Paper (22-07-2015)
The instantaneous value of power in purely inductive circuit is

zero
changing
none of this
constant

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The instantaneous value of power in purely inductive circuit is changing as it is given as v*i. The average power of purely inductive circuit over a cycle is zero

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

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