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Power Systems

Power Systems
Reflector nuclear reactor are made of

  beryllium.
 boron.
 steel.
 cast iron.

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Power Systems
The fact that current density is higher at the surface when compared to centre is known as

All of these
 skin effect
 proximity effect
 carona

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Power Systems
If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is

 200 MJ
 50 MJ
 8 MJ
 400 MJ

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Power Systems
Surge impedance loading of a transmission line can be increased by

 addition of lumped capacitance in series
 addition of lumped inductance in parallel
 increasing its voltage level
 both 1 and 3

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Power Systems
Example of base load stations are

  hydro.
  thermal.
  gas turbine.
  both A and B.

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Power Systems
A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be

  51.61 MW.
 57.5 MW.
 52 MW.
 53 MW.

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