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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
Merz-Price protection is employed for protection of

transmission lines
circuit breaker
alternators
motor

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GETCO Exam Paper (22-07-2015)
For given kVAR and line voltage the ratio of star to delta value of capacitor is

3
1
1.73
0.33333333333333

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GETCO Exam Paper (22-07-2015)
Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm

10 N-m
0 N-m
22 N-m
23.5 N-m

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P = 2πTN/60 where N is speed in rpm

GETCO Exam Paper (22-07-2015)
Which power plant may take several days to start up and shunt down?

Base load
Peak load
solar power plant
none of these

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GETCO Exam Paper (22-07-2015)
Earth wire on EHV overhead transmission line is provided to protect the line against

excessive fault voltages
switching surge
corona effect
lightning surge

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GETCO Exam Paper (22-07-2015)
The insulation strength of an EHV transmission line is mainly governed by

Corona
Switching over voltages
Harmonics
Load power factor

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

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