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GETCO Exam Paper (30-11-2008)

GETCO Exam Paper (30-11-2008)
The effect of wind pressure is more predominant on

transmission lines
supporting towers
insulator
neutral wires

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GETCO Exam Paper (30-11-2008)
In the parallel operation of transformers, which statement is false

transformers kVA ratings equal
transformers transformation ratios same
transformers voltage ratings same
None of these

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GETCO Exam Paper (30-11-2008)
Transfer of power between two power systems takes place with power flowing from the system with the

Higher input current
Greater leading power angle
Higher voltage level
Lagging power angle

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GETCO Exam Paper (30-11-2008)
In the protection scheme relay functions as _____ device

sensing
none of these
breaking
switching

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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
10.0:1
17.2:1
12.1:1

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

overpower
source
issue forth
means

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