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Power Systems

Power Systems
Which of the following is used in thermal plants

 Rankine cycle
All of these
 Otto cycle
 Joule cycle

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Power Systems
When is the ferranti effect on long overhead lines experienced?

 The line is lightly loaded
 The line is fully loaded
 The line is heavily loaded
 The power factor is unity

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Power Systems
A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees

 5
 0.22
 2000
 0.4

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

 Gas-turbine.
 Nuclear.
 Hydro Power Plant
 Thermal.

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Power Systems
Which of the following power stations is mainly used to cover peak load on the system?

 nuclear plant
 pumped storage hydro power plant
 coal based thermal power plant
 gas based thermal power plant

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Power Systems
Inductance of transmission line will decrease when

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

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