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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
When the load is suddenly increased in the receiving end of the system, the phase shift will

increase
decrease
Not affected
remains same

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GETCO Exam Paper (22-07-2015)
An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is

150
100
200
300

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GETCO Exam Paper (22-07-2015)
In differential protection scheme, a stabilizing resistance connected to

block harmonics
increase the current limit
increase the relay sensitivity
reduce the effect of non identical CTs

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GETCO Exam Paper (22-07-2015)
Current chopping phenomenon is related to

small inductive current
asymmetrical current
capacitance switching
resistance switching

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GETCO Exam Paper (22-07-2015)
For formation of the Y bus matrix (using node voltage analysis) in power system network modelling _____ is used

KVL
KCL
Faraday's law
all are correct

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GETCO Exam Paper (22-07-2015)
The fault occurring in transmission actually are mostly

L-L
L-L-G
L-L-L
L-G

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

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