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Power Systems

Power Systems
Among the following which is not non conventional energy

  Nuclear.
  Wind.
  Geothermal.
  Tidal.

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Power Systems
The draw back of NR method as compare to Gauss-Seidel method is/are?

 both 1 and 2
None of these
 large requirement of computer memory
 large number of iterations

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Power Systems
Efficiency of thermal power plant can be taken as

  product of efficiencies of all stages.
  generator efficiency.
  turbine efficiency.
  efficiency of thermal cycle.

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Power Systems
For a 500 Hz frequency excitation, a 100 km long power line will be modelled as

 shunt capacitor
 medium transmission line
 any of the above
 long transmission line

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Power Systems
A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix?

 162 × 162
 165 × 165
 164 × 164
 163 × 163

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Power Systems
A coal fired steam power station working at a plant factor of 80% has one 500 MW generating unit. If the heat content of coal is 2 kWh/kg, the overall plant efficiency is 40% and a train load of coal is 2000 metric tons, then the number of trains required daily for the plant is

 2
 16
 10
 6

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