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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008)
Choose the word which is most nearly the OPPOSITE in meaning
SECURE

offend
endanger
discover
defend

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GETCO Exam Paper (30-11-2008)
The disadvantage of transmission lines as compared to cables is

exposure to lightening
All of these
inductive interference between power communication circuits
exposure to atmosphere hazards like smoke, ice, etc.

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GETCO Exam Paper (30-11-2008)
When a star delta transformer bank of three single phase transformers is to be used for step down transformation with line voltages of 23000 V and 2300 V, the ratio of transformation will be

5.8:1
12.1:1
10.0:1
17.2:1

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GETCO Exam Paper (30-11-2008)
The C.B.s which produces the least arc energy are

minimum oil
air blast
air break
plain oil

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GETCO Exam Paper (30-11-2008)
Isolaters used in transmission lines are capable of breaking

fault current
no current
charging current
load current

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GETCO Exam Paper (30-11-2008)
In distance protection, the relay measures _____ impedance of the line from relay up to the fault point.

self
negative sequence
zero sequence
positive sequence

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MORE MCQ ON GETCO Exam Paper (30-11-2008)

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