Power Systems
Which of the following method is/are more reliable?

 Gauss-Siedel (GS) method
 Fast Decoupled Load Flow (FDLF) method
All of these
 Newton Raphson (NR) method

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Power Systems
The power level of nuclear reactor can be increase by ( K = multiplication factor )

 lowering the value of K below and keeping at that lowered value.
 lowering the value of K below 1 but later bringing it back to K = 1.
  raising the value of K above 1, but later bringing it back to K = 1.
 raising the value of K above 1 and keeping it at raised value.

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Power Systems
An impulse turbine

 always operates submerged.
 makes use of a draft tube.
 is most suited for low head and high discharge power plants.
  operates by initial complete conversion to kinetic energy.

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