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Power Systems

Power Systems
If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is

 50 MJ
 500 MJ
 10 MJ
 5 MJ

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Power Systems
In kaplan runner, the number of blades is generally of the order of

  3 - 6.
 12 - 16.
  16 - 24.
 1 - 2.

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Power Systems
For a 500 Hz frequency excitation, a 100 km long power line will be modelled as

 long transmission line
 any of the above
 shunt capacitor
 medium transmission line

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Power Systems
If a 500 MVA, 11 kV 3-phase generator at 50 Hz feeds through a transfer impedance of (0+j0.605) Ω/phase, an infinite voltage also at 11 kV, then the maximum steady state power transfer on the base of 500 MVA and 11 kV is

 0.5 pu
 0.4 pu
 1 pu
 0.8 pu

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Power Systems
Find the propagation constant, if impedance is 10Ω and admittance is 10 â„§?

 5
 100
 10
 1

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Power Systems
What is the total installed power capacity (MW) in West Bengal as published by ministry of power in 2011?

 15515.22.
 8113.27.
 6114.05.
 10000.32.

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