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Power Systems

Power Systems
Uses of diesel power stations

 standby plants.
  emergency plants.
All of these
  peak load plant.

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Power Systems
Bundled conductors are used for EHV transmission lines primarily for reducing the

 voltage drop across the line
 corona loss
 copper loss
 surge impedance of the line

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Power Systems
When a pumped storage power plant is operated in conjunction with a steam power plant

 the operating cost of the steam plant become optimum
 load factor of the steam plant is increased
 chances of the tripping of the system decrease
All of these

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Power Systems
A power generating station has a plant capacity of 200 MW and maximum power demand is 150 MW. If average power generation is 110 MW, then find the load factor and capacity factor respectively?

 0.733 and 0.65
 0.733 and 0.55
 0.65 and 0.55
 0.55 and 0.733

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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

 1000 MW
 1250 MW
 1500 MW
 750 MW

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Power Systems
A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor?

 3d
 5d
 2d
 d

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