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GETCO Exam Paper (22-07-2015)

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
300
200
100

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GETCO Exam Paper (22-07-2015)
The surge impedance loading of the line will _____ if the length of the line is double

become half
double
remains same
four times

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Surge impedance is independent of length of the line

GETCO Exam Paper (22-07-2015)
Which of the following is not true about fuel cells?

need more than two electrode
more efficient
cost is higher than batteries
no recharging is needed

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GETCO Exam Paper (22-07-2015)
What is the synonyms of 'Pragmatic'?

Uncertain
Magnetic
Practical
Arrogant

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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

1.73
0.33333333333333
1
3

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GETCO Exam Paper (22-07-2015)
Fuel cell for power generation have drawback of _____

Synchronization problems
Very high development costs
Low life span
Noise, pollution and maintenance problems

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

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