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Power Systems

Power Systems
Attenuation occurs due to

 inductance
 both 1 and 3
 conductance
 resistance

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Power Systems
The essential requirement(s) for power plants to be operated as peak load plants are

All of these
 Low capital cost.
 Quick response to load variation.
 Capability of quick starts.

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Power Systems
Which of the following is/are the methods of improving transient stability?

All of these
 Fast acting excitation control
 Fast acting governing system
 Dynamic breaking

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Power Systems
Inductance of transmission line will decrease when

 both GMD and GMR increase
 GMD increase and GMR decrease
 GMD decrease and GMR increase
 both GMD and GMR decrease

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Power Systems
Which cooling is preferred for large turbine generator

  Nitrogen cooling.
  Hydrogen cooling.
  Oxygen cooling.
  None of these.

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Power Systems
Phase shift occurs due to which of the following components?

 capacitance
 inductance
 conductance
 both 1 and 2

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