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Power Systems

Power Systems
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?

 0.5
 0.4
 0.75
 0.25

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Power Systems
In which of the following transmission lines capacitance effect is negligible?

 long transmission lines
 medium transmission lines
 both 1 and 3
 shoart transmission lines

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Power Systems
A loss less transmission line having surge impedance loading (SIL) of 2280 MW is provided with a uniformly distributed series capacitive compensation of 30 %. Then SIL of compensated transmission line will be

  2280 MW.
 1835 MW.
 3257 MW.
 2725 MW.

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Power Systems
A power station plant load factor is defined as the ratio of

 minimum load to average load
 average load to the peak load
 the energy generated to that of maximum energy that could have been generated
 minimum load to peak load

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Power Systems
Which of following power plants will take long period in erection and installation

 Thermal.
 Hydro Power Plant
 Gas turbine.
 Nuclear.

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Power Systems
Percentage of carbon is highest in

  coal gas.
  lignite coal.
  anthracite coal.
  bituminous coal.

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