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Power Systems

Power Systems
For load flow studies, What are the quantities specified at load bus are

 δ and Q
 P and Q
 P and V
 V and δ

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Power Systems
Reheat cycle in thermal power plant is used to

  increase thermal efficiency.
 improve condenser performance.
 utilize heat of flue gases.
 reduce loss of heat.

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Power Systems
Ferranti effect can be compensated by which of the following

 series capacitor
 shunt reactor
 shunt capacitor
 both 1 and 2

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Power Systems
For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to

  1 / V2.
 1 / V.
 V.
 V2.

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Power Systems
Which of the following is/are advantages of N-R method?

 Applicable for large power system network
 both 1 and 2
 Number of iterations are less
 Time taken for each iteration is less

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Power Systems
Resistance switching in normally employed in

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

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