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Power Systems

Power Systems
Rankine cycle efficiency of a steam power plant is of

  20 - 30 %.
  30 - 45 %.
  45 - 80 %.
  60 - 80 %.

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Power Systems
Graphite is use din nuclear plant as a / an

  moderator.
 coolant.
 electrode.
 fuel.

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Power Systems
A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 83*83
 33*33
 34*34
 84*84

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Power Systems
Which of the following statements is/are true? In case of parallel transmission lines

 stability increases
 fault current reduces
 fault current increases
 both 1 and 3

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Power Systems
The fact that current density is higher at the surface when compared to centre is known as

 proximity effect
 carona
 skin effect
All of these

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Power Systems
Plug setting of a relay can be altered by varying

 no. of ampere-turns.
 none of these.
 adjustable back up stop.
 air gap of magnetic path.

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