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Power Systems

Power Systems
At slack bus, which one of the following combinations of variables is not specified?

 P and Q
 Q and V
 V and δ
 P and V

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Power Systems
On which one of the following cycles does a modern steam power plant work?

 Rankine cycle
 Otto cycle
 Bell-Coleman cycle
 Carnot cycle

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Power Systems
Maximum power transfer capability of transmission line can be increased by

All of these
 Using bundled conductors
 Using series capacitance
 Parallel transmission lines

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Power Systems
Find the number of strands of ACSR conductor for 4 layer transmission line?

 1
 7
 29
 37

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Power Systems
A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time?

 -0.56
 -0.92
 0.56
 0.92

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Power Systems
If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage

  100 kV.
 50 kV.
 400 kV.
  200 kV.

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