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Power Systems

Power Systems
A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base?

 0.5 pu
 0.1 pu
 0.2 pu
 0.4 pu

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Power Systems
Characteristics of arc quenching medium is/are

 High dielectric strength
 Non flammable
 High thermal conductivity
All of these

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Power Systems
A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively?

 0.733 and 0.55
 0.733 and 0.65
 0.55 and 0.733
 0.65 and 0.55

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Power Systems
One fission of U235 releases energy of

 525 MeV.
 335 MeV.
 435 MeV.
  200 MeV.

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Power Systems
The specific speed ( NS ) of turbine is given by

 P√( N ) / H3/2.
  N√( P ) / H1.25.
 none of these.
 N√( P ) / H2/3.

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Power Systems
Rating of fuse wire is expressed in

 ÃŽÂ©.
  Watts.
  Ampere.
  Mho.

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