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Power Systems

Power Systems
For symmetrical network, the neutral current is

 any of the above
 infinity
 zero
 maximum

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Power Systems
A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station?

 9 MW
 10 MW
 18 MW
 5 MW

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Power Systems
The ratio of reset to pick up current for an induction cup relay is approximately

  0.99.
 0.75.
 1.0.
 1.35.

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Power Systems
A diesel power plant is generally used as a/an

 Base load.
 Standby/emergency plant.
 Peak loads.
 Any of above.

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Power Systems
The economics of power plant is greatly influenced by

 nether 1 nor 2
 diversity factor
 load factor
 both 1 and 2

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Power Systems
The line current IR flowing into balanced delta connected load is - j5 - 3 A. If the phase sequence is RYB the phase current IYB is

  5.
 20.
 10.
 55.1.

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