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Power Systems

Power Systems
The corona loss on a particular system at 60 Hz is 1 kW/km per phase. What is the corona loss at 50 Hz in kW/km per phase?

 1
 1.13
 0.93
 0.882

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Power Systems
A generating station which has a high investment cost and low operating cost is usually operated as a

 Base load station.
 None of above.
 Minimum load station.
 Peak load station.

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Power Systems
A power station has a maximum demand of 15 MW. The plant capacity is 20 MW. Find the reserve capacity of the plant?

 20 MW
 5 MW
 10 MW
 15 MW

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Power Systems
The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is

 10.
 55.1.
 20.
  5.

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Power Systems
Calorific value of solid fuel is expressed as

  Cal / lt.
  KCal / lt.
  Cal / gm.
  KCal / gm.

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Power Systems
Which of the following is not base load power plant

  Diesel.
  Run water.
  Nuclear.
  Pump storage.

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