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Power Systems

Power Systems
Operating time of pumped storage plant is

 very high
 high
 low
 can't say

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Power Systems
A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is

 0.707 leading
 unity
 0.5
 0 leading

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Power Systems
Rankine cycle efficiency of a steam power plant is of

  45 - 80 %.
  20 - 30 %.
  30 - 45 %.
  60 - 80 %.

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Power Systems
A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is

 0.75
 0.5
 1
 0.6

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Power Systems
A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand?

 15 cm
 1 cm
 5 cm
 1.5 cm

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Power Systems
In a two plant system, the load is connected to plant number 2. The loss coefficients are

 B11 is non zero,B22 = B12 = 0
 B11,B12 are non zero ,B22 = 0
 B11,B22 are non zero,B12 = 0
 B11,B22,B12 are non zeros

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