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Power Systems

Power Systems
If the penalty factor of a plant is unity, its incremental transmission loss is

 0
 -1
None of these
 1

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Power Systems
Which of following is a medium and low head turbines

  Pelton and Kaplan turbines.
  Kaplan and Francis turbines.
  Francis and Kaplan turbines.
  None of above.

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Power Systems
If the load is short circuited, then reflection coefficient of voltage is

 -1
 -2
 0
 1

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Power Systems
Length of the cable is doubled, its capacitance C will be

 doubled.
 one-half.
 one-fourth.
 unchanged.

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Power Systems
On which one of the following cycles does a modern steam power plat work

 Otto cycle.
 Carnot cycle.
  Rankine cycle.
 Bell - Coleman cycle.

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Power Systems
The Y bus matrix of a 100 bus interconnected system is 90% sparse. Then find the number of non zero elements in the Y bus matrix?

 10
 90
 1000
 9000

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