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Power Systems

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

  Diesel.
  Pump storage.
  Nuclear.
  Run water.

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Power Systems
Rating of fuse wire is expressed in

  Ampere.
  Watts.
 ÃŽÂ©.
  Mho.

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Power Systems
In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called

 Reservoir.
  Fore bay.
 Penstock.
 Spillways.

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Power Systems
A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is

 553×553
 555×555
 554×554
 540×540

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Power Systems
If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line

 None of them.
 0.09 + j 0.018 per Km.
 0.018 per Km.
 0.01 + j 0.02 per Km.

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Power Systems
The presence of earth in case of overhead lines

 decrease capacitance
 decrease inducatance
 increase inductance
 increase capacitance

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