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DGVCL Exam Paper (11-12-2011)
Ybus used in power flow studies and Zbus used in short circuit studies
Are transpose of each other
Are inverse of each other
Are the same
Have no inter relation
Are transpose of each other
Are inverse of each other
Are the same
Have no inter relation
Answer
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Related Question
DGVCL Exam Paper (11-12-2011)
In a series RLC circuit at resonance
Current is minimum and power factor is unity
Current is maximum and power factor is 0.5
Current is maximum and power factor is unity
Current is minimum and power factor is 0.5
Current is minimum and power factor is unity
Current is maximum and power factor is 0.5
Current is maximum and power factor is unity
Current is minimum and power factor is 0.5
Answer
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DGVCL Exam Paper (11-12-2011)
Hysteresis in an instrument means
The change in the same reading when the input is first increased and then decreased
The repeatability of the instrument
The reliability of the instrument
The inaccuracy due to change in temperature
The change in the same reading when the input is first increased and then decreased
The repeatability of the instrument
The reliability of the instrument
The inaccuracy due to change in temperature
Answer
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DGVCL Exam Paper (11-12-2011)
If a relay fails to operate inspite of a fault in its own zone of protection, it is said to
Under reach
Pick up
Over reach
Reach
Under reach
Pick up
Over reach
Reach
Answer
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DGVCL Exam Paper (11-12-2011)
The effect of electric shock on the human body depends on
Current
Voltage
All of these
Duration of contact
Current
Voltage
All of these
Duration of contact
Answer
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DGVCL Exam Paper (11-12-2011)
Rated making capacity of a ciruit breaker is equal to
√2 X rated symmetrical breaking capacity
Rated symmetrical breaking capacity
2.55 X rated symmetrical breaking capacity
1.11 X rated symmetrical breaking capacity
√2 X rated symmetrical breaking capacity
Rated symmetrical breaking capacity
2.55 X rated symmetrical breaking capacity
1.11 X rated symmetrical breaking capacity
Answer
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