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Power Systems

Power Systems
Reflector of a nuclear reactor are made up of

  beryllium.
 cast iron.
 steel.
  boron.

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Power Systems
At slack bus, which one of the following combinations of variables is not specified?

 P and V
 Q and V
 P and Q
 V and δ

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Power Systems
A loss less transmission line having surge impedance loading (SIL) of 2280 MW is provided with a uniformly distributed series capacitive compensation of 30 %. Then SIL of compensated transmission line will be

 1835 MW.
 3257 MW.
  2280 MW.
 2725 MW.

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Power Systems
Objectives of power system is/are

 Rated voltage and frequency has to be supplied to the consumers
 nether 1 nor 2
 Cost of electrical energy per KWh is to be minimum
 both 1 and 2

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Power Systems
The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is

 0.5 pu
 4 pu
 2 pu
 0.2 pu

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Power Systems
When a nuclear reaction is operating at constant power the multiplication factor is

  1.
 greater than 1.
 less than 1.
 may be any of the above.

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