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Power Systems

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

 7
 29
 19
 1

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Power Systems
If, for a given alternator in economic operation mode, the incremental cost is given by (0.012 P + 8) Rs/MWh, dPL/dP = 0.2 and plant λ = 25, then power generation is

 1250 MW
 750 MW
 1500 MW
 1000 MW

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Power Systems
What are the tests performed for oil-filled and gas-filled cables ?

 Load cycle tests.
 Thermal stability test.
 Impulse tests.
  All of these.

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Power Systems
Demand factor of a plant is

 0
 less than 1
 1
 greater than 1

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Power Systems
Switchgear equipment include

  relays and CB.
  switches.
  fuses.
  all of these.

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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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