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Power Systems

Power Systems
The amount of ash content in Indian coal

  60 %.
 20 %.
 35 %.
  45 %.

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Power Systems
Condition for zero voltage regulation is

 tanφ = X/R
 cosφ = R/X
 cosφ = X/R
 tanφ = R/X

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Power Systems
Based on the discharge, Kaplan turbine will discharge

 1000 lpm
 >10000 lpm

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Power Systems
Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

 star-delta
 star-star
 delta-star
 delta-delta

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Power Systems
What is the correct expression for the electrical power developed by

 75 × 0.736 × WQHη.
 ( 75 / 0.736 ) × WQHη.
  ( 0.763 / 75 ) × WQHη.
 ( 7 / 75 ) × WQHη.

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Power Systems
Operating cost of thermal power station is

 is the same as that of nuclear power plant.
  less than that of diesel power plant.
 less than that of hydroelectric power plant.
 less than that of nuclear power plant.

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