Power Systems
Mercury is choice with steam in binary vapor cycle because

 relative low vaporization pressure.
 higher critical temperature and pressure.
 higher saturation temperature than other fluids.
  all of above.

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Power Systems
The value of off diagonal elements is

 sum of admittances connected at bus i
 sum of admittances connected at bus j
 which is connected between bus i and bus j with negative sign
 which is connected between bus i and bus j with positive sign

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Power Systems
Which of the following is/are the advantages of synchronous phase modifier over the shunt compensation?

 initial cost is low
 both 1 and 2
 single unit can be used as both capacitance and inductor by adjusting the excitation
 smooth voltage regulation is possible by controlling excitation

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