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Power Systems

Power Systems
Uses of diesel power stations

  emergency plants.
All of these
 standby plants.
  peak load plant.

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Power Systems
For distortion less line which of following relation are true

 R = O, G = O.
 R/L = G/C.
 None of above.
 R/L = C/G.

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Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 19
 1
 29
 7

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Power Systems
In a 400 kV power network, 360 kV is recorded at 400 kV bus. The reactive power absorbed by a shunt reactor for 50 MVAr, 400 kV connected at the bus is

 55.56 MVAr.
  40.5 MVAr.
 45.0 MVAr.
 61.73 MVAr.

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Power Systems
The draw back of NR method as compare to Gauss-Seidel method is/are?

 both 1 and 2
None of these
 large number of iterations
 large requirement of computer memory

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Power Systems
For complete protection of 3-phase system from the short circuit faults minimum number of relays required are

 one
 six
 two
 three

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