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Power Systems

Power Systems
Calorific value of solid fuel is expressed as

  KCal / lt.
  Cal / gm.
  KCal / gm.
  Cal / lt.

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Power Systems
Phase shift occurs due to which of the following components?

 both 1 and 2
 inductance
 capacitance
 conductance

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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?

 1
 0.25
 0.5
 0.75

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Power Systems
If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is

 15 MJ/MVA
 6 MJ/MVA
 2.5 MJ/MVA
 10.5 MJ/MVA

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Power Systems
The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase?

 0.89
 1.13
 1
 1.25

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Power Systems
The receiving end voltage for a long line under no load condition is

 any of the above
 less than the sending end voltage
 more than the sending end voltage
 equal to the sending end voltage

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