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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
Switching surges are

high votage DCs
short duration transient voltage
high voltage Acs
power frequency voltage

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GETCO Exam Paper (22-07-2015)
Critical clearing time of a fault in a power system is related to

Short circuit limit
Reactive power limit
Steady state limit
Transient stability limit

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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

300
150
100
200

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GETCO Exam Paper (22-07-2015)
Which of the following award was not awarded to late Dr. Abdul Kalam?

Veer Chakra
Padma Bhusan
Bharat Ratna
Padma Vibhushan

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GETCO Exam Paper (22-07-2015)
The line current in a three phase unbalanced load are Ir= 4+j6, Ib= 2-j2 and Ic= -3+j2, then zero sequence component of current will be

9 + j10
3 + j6
3 - j6
1 + j2

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GETCO Exam Paper (22-07-2015)
In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for

protection purpose
as power transformer
both measuring and protection
measuring purpose

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

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