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Power Systems

Power Systems
Surge impedance loading (SIL) is represented by

 Vl²*√(C/L)
 both 1 and 2
 Vph²/Zs
 Vl²/Zs

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Power Systems
The conversion ratio of a breeder reactor is

 none of above.
 less than unity.
  more than unity.
  equal to unity.

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Power Systems
The main objectives of power system is/are

 Flexible power has to be available.
 Reliable power has to be available
All of these
 Cost of electrical energy per KWh is to be minimum

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Power Systems
The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs

 shunt resistance at receiving end
All of these
 shunt reactor at receiving end
 shunt capacitor at receiving end

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

 Thorium.
 Beryllium.
 Heavy water.
  Boron.

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Power Systems
A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is

 554×554
 555×555
 540×540
 553×553

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