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Power Systems

Power Systems
India’s largest thermal power station is located at

 Neyveli.
 Kota.
 Chandrapur.
 Sarni.

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Power Systems
Which cooling is preferred for large turbine generator

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

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

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

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Power Systems
A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is

 25%
 66.66%
 75%
 33.33%

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

 1.25
 0.89
 1.13
 1

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Power Systems
Units of incremental cost is

 MWhr/Rs
 Rs/MWhr
 Rs/hr
 RsMW/hr

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