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GETCO Exam Paper (30-11-2008)
The load carrying capability of a long transmission line
is increased at low ambient air temperature
both (a) & (b)
is always limited by conductor area
may be limited by stability considerations
is increased at low ambient air temperature
both (a) & (b)
is always limited by conductor area
may be limited by stability considerations
Answer
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Related Question
GETCO Exam Paper (30-11-2008)
Entrance to the Indian Civil Service was made possible for the Indians by
Lord Dalhousie
Lord Ripon
Lord Lytton
Lord Canning
Lord Dalhousie
Lord Ripon
Lord Lytton
Lord Canning
Answer
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GETCO Exam Paper (30-11-2008)
Arc chutes are used in _____ C.B.s
minimum oil
vacuum
oil
air blast
minimum oil
vacuum
oil
air blast
Answer
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GETCO Exam Paper (30-11-2008)
The voltage regulation of a transformer at full load and 0.8 power factor lagging is 2.5%. The voltage regulation at full load, 0.8 power factor leading will be
-2.5%
0.01
2.5%
zero
-2.5%
0.01
2.5%
zero
Answer
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GETCO Exam Paper (30-11-2008)
In a transformer it is difficult to measure the efficiency by output-input measurement methods because
efficiency of transformer is usually high and hence extremely accurate measurements will be necessary
losses are abnormally high
the output is sinusoidal and hence cannot be measured
output is out of phase with respect to input
efficiency of transformer is usually high and hence extremely accurate measurements will be necessary
losses are abnormally high
the output is sinusoidal and hence cannot be measured
output is out of phase with respect to input
Answer
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GETCO Exam Paper (30-11-2008)
In the protection scheme relay functions as _____ device
none of these
switching
breaking
sensing
none of these
switching
breaking
sensing
Answer
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