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Power Systems

Power Systems
The total number of strands in a ACSR conductor are 7, then find the layer number?

 7
 3
 2
 5

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Power Systems
Where is the draft tube of a hydroelectric plant that is an airtight pipe located

 Near the surge tank.
  In between the penstock and runner.
 In between the runner exhaust and the tail race.
 At the beginning of the penstock.

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Power Systems
Isolator in sub station is open under ------------- condition?

 no load
 full load
 short circuit
 any of the above

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Power Systems
Generation of of one watt needs about ______________ fission per second

 3.1 × 106.
 3.1 × 107.
  3.1 × 1010.
 3.1.

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Power Systems
In a thermal power plant, which of its following components needs maximum maintenance attention

 Boiler.
 Condenser.
 Super heater.
 Steam turbine.

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Power Systems
A hydro power plant of run off river type should be provided with pondage so that the

 operating head is controlled.
 kinetic energy of the running water is fully utilized.
  firm capacity of plant is increased.
 pressure inside the turbine casing remains.

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