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GETCO Exam Paper (22-07-2015)

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

0.33333333333333
3
1
1.73

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GETCO Exam Paper (22-07-2015)
Steady state stability of a power system is improved by

reducing fault clearing time
by fast switching
decreasing generator inertia
using double circuit line instead of single circuit line

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GETCO Exam Paper (22-07-2015)
"Overshoot" in a time response of control systems is indication of

final value of the output
measure of relative stability
steady state solution
none of this

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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

100
200
150
300

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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

all are correct
Faraday's law
KCL
KVL

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GETCO Exam Paper (22-07-2015)
During the insulation co-ordination in the sub station, the lowest insulation strength is at

transformer
bus bar
CTs and PTs
circuit breaker

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

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