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Power Systems

Power Systems
Operating time of pumped storage plant is

 can't say
 low
 high
 very high

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Power Systems
The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be

 0.25.
  0.83.
 1.3.
 0.44.

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Power Systems
Offset mho relay is used for the protection of equipment when

 failure of prime mover of the generator
None of these
 either 1 or 2
 loss of excitation of the generator

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Power Systems
In Francis turbine runner, the number blades is usually of the order of

 6 - 8.
  16 - 24.
 3 - 6.
 12 - 14.

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Power Systems
The maximum demand of a consumer is 2 kW and corresponding daily energy consumption is 30 units. What is the corresponding load factor?

 75%
 25%
 62.5%
 50.5%

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Power Systems
In a transmission line the insulators to be used at the dead end or sharp curves are

 pin type insulator
 suspension type
 any of the above
 strain type

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