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Power Systems

Power Systems
For large plants of capacity for more than 15 MW, what type of cooling is used

  Hydrogen.
  Liquid.
  Air.
  Water.

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Power Systems
The load current in short circuit calculations are neglected because

 both 1 and 2
 short circuit currents are greatly out of phase with load currents
 nether 1 nor 2
 short circuit currents are much larger than load currents

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Power Systems
A moderator material should have

None of these
  small atomic mass.
 may be any of the above.
 large atomic mass.

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Power Systems
The conversion ratio of breeder reactor are

 1.
  greater than 1.
 none of above.
 less than 1.

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Power Systems
Sum of the elements of row i equal to shunt admittances connected to bus i. If this summation is zero, indicates there is no

 both 1 and 2
 shunt admittance
None of these
 mutual coupling

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Power Systems
A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is

 4
 8
 20
 10

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