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Power Systems

Power Systems
Peak load power plants is/are

 pumped storage plant
 both 1 and 2
 nuclear plants
 diesel plant

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Power Systems
A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively?

 26° and 30°
 45° and 26°
 30° and 26°
 30° and 45°

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Power Systems
Binary vapor cycle are used for

  improving the plant efficiency.
  improving the condenser performance.
  increasing the turbine efficiency.
All of these

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Power Systems
Which of the following insulator is practically used for railway crossings?

 pin insulator
 strain insulator
All of these
 string insulator

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Power Systems
What should be the minimum depth (in metre)of cable trench to dug for laying of 1.1 kV?

  0.75.
 0.90.
 1.20.
 1.05.

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Power Systems
Area under the daily curve divided by 24 gives

 maximum load
 average load
 units generated
 maximum demand

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