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Power Systems

Power Systems
The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base?

 0.4 pu
 0.1 pu
 0.2 pu
 0.25 pu

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Power Systems
Thermal shielding is provided to

 prevent the reactor wall from getting heated.
All of these
 absorb the fast neutron.
 protected the operating personal from exposure to radiations.

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Power Systems
Corona is accompanied by

All of these
 violet visible light
 hissing sound
 power loss and interference

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Power Systems
Skin effect depends on

All of these
 relative permeability
 conductivity
 frequency

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Power Systems
The shape of the disc of an induction disc relay is

  none of these.
  circular.
  spiral.
  elliptical.

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Power Systems
A generating station which has a high investment cost and low operating cost is usually operated as a

 Peak load station.
 Base load station.
 Minimum load station.
 None of above.

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