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Power Systems

Power Systems
For complete protection of 3-phase system from the short circuit faults minimum number of relays required are

 six
 three
 two
 one

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Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 19
 7
 29
 1

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

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

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Power Systems
In thermal plant most of the energy is wasted in

 ESP
 turbines
 condenser
 boiler

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Power Systems
The insulation of the modern EHV lines is designed based on

 corona.
  the switch voltage.
 the lighting voltage.
 R × I.

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Power Systems
Objectives of power system is/are

 Rated voltage and frequency has to be supplied to the consumers
 both 1 and 2
 nether 1 nor 2
 Cost of electrical energy per KWh is to be minimum

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