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Power Systems

Power Systems
Which of the following is not base load power plant

  Pump storage.
  Nuclear.
  Diesel.
  Run water.

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Power Systems
Non-commercial sources of energy are

  wood, animal wastes and agricultural wastes.
 solar, wind and biomass.
None of these
 fossil fuel, hydro power and nuclear power.

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Power Systems
For n bus power system size of Y bus matrix is

 (n-1)×(n-2)
 (n-2)×(n-2)
 n×n
 (n-1)×(n-1)

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Power Systems
Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF?

 200 Ω
 160 Ω
 400 Ω
 800 Ω

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Power Systems
A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system?

 1 A.
  14.76 A.
 1.476 A.
 14.7 mA.

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Power Systems
The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be

 0.44.
 0.25.
  0.83.
 1.3.

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