Power Systems
A diesel power station has fuel consumption of 0.28 Kg per kWh. The calorific value of fuel is being 10000 KCal / kg. Determine the overall efficiency

 40.85 %.
 40 %.
  30.7 %.
  30.26 %.

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Power Systems
The draft tube is provided to

  increase the acting head on the water wheel.
 reduce the effect of water hammer.
None of these
 raise the water surface of the stream to create an artificial head.

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Power Systems
Which statement is not correct for the transmission line parameter R, L, G and C

 At high frequencies at which most of communication system operate the internal inductance of the conductor is neglected.
 For each line, the conductors are characterized by σ c, μ c, εo = ε c and the homog
 The line parameter R,L,G and C are uniformly distributed along the entire length of the line C.
 G = I/R. R is the AC resistance per unit length of conductor C.

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