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Power Systems

Power Systems
Reflector nuclear reactor are made of

 cast iron.
  beryllium.
 boron.
 steel.

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Power Systems
Inductance of transmission line will decrease when

 both GMD and GMR decrease
 GMD increase and GMR decrease
 GMD decrease and GMR increase
 both GMD and GMR increase

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Power Systems
Maximum power transfer in a transmission line can be obtained by

None of these
 increasing voltage level
 reducing reactance
 either 1 or 2

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Power Systems
Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line?

 50 Hz
 -0.52 Hz
 0.48 Hz
 0.52 Hz

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Power Systems
Which of the following plants is/are base load plants

 pump storage
 run off river
 nuclear
 both 1 and 2

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Power Systems
Pipes carrying steam are generally of

 aluminium.
 cast iron.
 cobalt.
  steel.

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