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Power Systems

Power Systems
The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is

 0.5 pu
 2 pu
 4 pu
 0.2 pu

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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

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

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Power Systems
If power P available from a hydroelectric plant is given by the formula P = 9.81QH, where Q is the flow rate through the turbine in l / s and H is the head in meters, then P will be unit of

 kJ / S.
 kWh.
  W.
 HP.

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Power Systems
When a nuclear reaction is operating at constant power the multiplication factor is

 greater than 1.
 may be any of the above.
 less than 1.
  1.

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Power Systems
Characteristics of arc quenching medium is/are

 High dielectric strength
 High thermal conductivity
All of these
 Non flammable

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Power Systems
The equation of area control error(ACE) is

 ACE = ΔPtie - 1/b.Δf
 ACE = ΔPtie +1/ b.Δf
 ACE = ΔPtie + b.Δf
 ACE = ΔPtie - b.Δf

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