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Power Systems

Power Systems
For large plants of capacity for more than 15 MW, what type of cooling is used

  Air.
  Liquid.
  Water.
  Hydrogen.

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Power Systems
The main advantage of the Decoupled Load Flow (DLF) as compared to the NR method is

All of these
 number of iterations are less
 reduced memory requirements in storing the Jacobian elements
 accuracy is more

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Power Systems
Units of incremental cost is

 Rs/MWhr
 MWhr/Rs
 Rs/hr
 RsMW/hr

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Power Systems
Find the propagation constant, if impedance is 10Ω and admittance is 10 â„§?

 10
 1
 5
 100

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Power Systems
If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is

 8 MJ
 50 MJ
 200 MJ
 400 MJ

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Power Systems
If skin depth is more, then skin effect is

 less
 either 1 or 2
None of these
 more

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