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Power Systems

Power Systems
For load flow studies, What are the quantities specified at load bus are

 P and V
 δ and Q
 V and δ
 P and Q

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Power Systems
For a 500 Hz frequency excitation, a 100 km long power line will be modelled as

 shunt capacitor
 any of the above
 long transmission line
 medium transmission line

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

 Hydro Power Plant
 Thermal.
 Nuclear.
 Gas-turbine.

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Power Systems
Where air circuit breakers are used?

  Up to 33 kV.
  Up to 11 kV.
  Up to 12 kV.
  Up to 66 kV.

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Power Systems
Pelton turbine is a ----------- turbine

 inward radial flow
 axial flow
 any of the above
 impulsive

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Power Systems
The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by

 A resistance of 100/3 ohm.
 A resistance of 100 ohm.
 A resistance of j300 ohm.
 A resistance of j100/3 ohm.

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