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POWER SYSTEMS

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

  Diesel.
  Pump storage.
  Nuclear.
  Run water.

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Power Systems
In which power plant, the thermal efficiency is quite low

  Steam power plant.
  Diesel power plant.
  Nuclear power plant.
  Hydro power plant.

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Power Systems
Which cooling is preferred for large turbine generator

  Oxygen cooling.
  Nitrogen cooling.
  None of these.
  Hydrogen cooling.

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Power Systems
A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel

 7562 KCal / Kg.
 7000 KCal / Kg.
  7166.67 KCal / Kg.
 7268.45 KCal / Kg.

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Power Systems
What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes

 80.25 %.
  79.33 %.
 78.96 %.
  74.56 %.

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