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Power Systems

Power Systems
Peak load power plants is/are

 both 1 and 2
 nuclear plants
 diesel plant
 pumped storage plant

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Power Systems
A load centre is at an equidistant from the two thermal generating stations G1 and G2. The fuel cost characteristics of the generating stations are given by F1 = a + bP1 + cP²1 F2 = a + b P2 + 2cP²2 Where P1 and P2 are the generation in MW of G1 and G2, respectively. For most economic generation to meet 300 MW of load, P1 and P2 respectively, are

 100, 200
 175, 125
 200, 100
 150, 150

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Power Systems
In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system?

 0.25
 0.5
 0.75
 1

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Power Systems
Where do compounding done in thermal power plants

  Ash handling plant.
  Generator.
  Coal handling plant.
  Turbine.

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Power Systems
The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by

 Zs = 0.6 pu, Zm =0.5 pu
 Zs = 0.2 pu, Zm =0.7 pu
 Zs = 0.5 pu, Zm =0.6 pu
 Zs = 0.7 pu, Zm =0.2 pu

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Power Systems
India 1st nuclear plant was set up at

  Rana pratap sagar.
  Kalpakkam.
  Tarapur.
  Bhaba.

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