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Power Systems

Power Systems
Fault calculations using computer are usually done by

 either 1 or 2
 Z bus method
 Y bus method
None of these

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Power Systems
The function of draft tube is reaction turbine is to

  convert kinetic energy of water.
 increase flow rate of water.
 reduce water hammer.
 all of above.

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Power Systems
In a regenerative cycle, feed water is heated by

 exhaust gas.
  drained steam from turbine.
 all of above.
 heaters.

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Power Systems
Cheapest plant in operation and maintenance is

  hydroelectric.
  nuclear.
  steam power.
  diesel power.

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Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 4
 5
 3
 6

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Power Systems
Stability of a transmission line can be increased by

 shunt reactor
 series capacitor
 both 1 and 2
 shunt capacitor

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