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Power Systems

Power Systems
Percentage of carbon is highest in

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

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Power Systems
The main advantage of the Decoupled Load Flow (DLF) as compared to the NR method is

All of these
 reduced memory requirements in storing the Jacobian elements
 number of iterations are less
 accuracy is more

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Power Systems
In a 400 KV network, 360 KV is recorded at a 400 KV bus. The reactive power absorbed by shunt rated for 50 MVAr, 400 KV connected at the bus is

 55.56 MVAr.
  40.5 MVAr.
 61.73 MVAr.
 45 MVAr.

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Power Systems
Which of the following power plants needs highly skilled/qualified engineers for its operation

 Hydro Power Plant
 Gas-turbine.
 Nuclear.
 Thermal.

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Power Systems
What is the correct expression for the electrical power developed by

 ( 7 / 75 ) × WQHη.
 75 × 0.736 × WQHη.
  ( 0.763 / 75 ) × WQHη.
 ( 75 / 0.736 ) × WQHη.

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Power Systems
For head and low discharge the water turbine used

 Francis turbine.
  Pelton wheel.
 propeller turbine.
 Kaplan wheel.

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