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Power Systems

Power Systems
Pumped storage plant is a

 base load plant
 peak load plant
 both 1 and 2
None of these

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Power Systems
A transmission line has 50 km operating at frequency of 500 Hz. Find the type of the line?

 medium transmission line
 long transmission line
 short transmission line
 any of the above

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Power Systems
A power station plant load factor is defined as the ratio of

 average load to the peak load
 the energy generated to that of maximum energy that could have been generated
 minimum load to peak load
 minimum load to average load

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Power Systems
Lightning arresters are used for

 protection of equipment from external lightning
All of these
 protection of equipment from open circuits
 protection of equipment from short circuits

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Power Systems
The value of inductance used for compensation of arcing grounds is

 3/ω²C
 3ω²C
 1/3ω²C
 ω²C/3

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Power Systems
The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be

 0.0030
 0.30
 0.0060
 0.60

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