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Power Systems

Power Systems
Which material is used in controlling chain reaction in a nuclear reactor

 Beryllium.
 Heavy water.
  Boron.
 Thorium.

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Power Systems
In which of the following configuration power transferability is higher?

 same in both configuration
 triangular configuration
 horizontal configuration
None of these

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Power Systems
A power station plant load factor is defined as the ratio of

 minimum load to peak load
 the energy generated to that of maximum energy that could have been generated
 average load to the peak load
 minimum load to average load

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Power Systems
The 1st nuclear plant in world was commissioned in

  UAE.
  U.S.A.
 U.K.
  U.S.S.R.

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Power Systems
Area under the daily curve divided by 24 gives

 units generated
 maximum demand
 maximum load
 average load

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Power Systems
A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time?

 -0.92
 -0.56
 0.92
 0.56

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