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Power Systems

Power Systems
The insulation of modern EHV is designed based on

 RI.
 corona.
  switching voltage.
 lightning voltage.

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Power Systems
The ground capacitance existing between transmission line and ground is 4µF. Find the inductive reactance of the peterson coil for compensation of arcing grounds?

 0.844 Ω
 265.25 Ω
 625.35 Ω
 855.26 Ω

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Power Systems
In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using

 direct heat in the furnace.
 LP steam.
  flue gas.
 HP steam.

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Power Systems
In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines?

 4
 8
 5
 2

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Power Systems
Calorific value of solid fuel is expressed as

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

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

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

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