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Power Systems

Power Systems
Which of following materials can be used as coolant

 Heavy water.
  Any of above.
 CO2.
 Helium.

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Power Systems
Ferranti effect will not occur in which of the following transmission lines

All of these
 long transmission lines
 short transmission lines
 medium transmission lines

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Power Systems
Sparse matrix is matrix which contain

 more number of memory elements
 more number of zeros
 more number of non zeros
 less number of memory elements

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Power Systems
Under excited Synchronous phase modifier works as

 shunt reactor
 any of the above
 series capacitor
 shunt capacitor

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Power Systems
Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is

 800 MW
 1600 MW
 200 MW
 400 MW

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Power Systems
The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by

 A resistance of 100/3 ohm.
 A resistance of j300 ohm.
 A resistance of 100 ohm.
 A resistance of j100/3 ohm.

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