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Power Systems

Power Systems
The amount of ash content in Indian coal

 35 %.
  45 %.
  60 %.
 20 %.

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Power Systems
A generating station has a maximum demand of 50 MW a load factor of 60 %, a plant capacity factor of 45 % and if the plant while running as per schedule were fully loaded. The daily energy produced will be

 710 MW.
 740 MW.
 730 MW.
  720 MW.

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Power Systems
Resistance switching in normally employed in

 bulk oil breakers.
  air blast circuit breaker.
 all breakers.
 minimum oil breakers.

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Power Systems
If all the sequence voltages at the fault point in a power system are equal, then the fault point is a

 LL
 LLL
 LG
 LLG

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Power Systems
Under over excitation synchronous phase modifier works as

 shunt capacitor
 any of the above
 series capacitor
 shunt reactor

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

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

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