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Power Systems

Power Systems
Attenuation occurs due to

 conductance
 both 1 and 3
 resistance
 inductance

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Power Systems
Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency?

 90%
 50%
 86%%
 75%

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Power Systems
The specific speeds of Kaplan, Francis and Pelton turbines are in

 neither increasing nor decreasing order.
  the decreasing order.
 the increasing order.
None of these

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Power Systems
Calorific value of solid fuel is expressed as

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

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Power Systems
The insulator thickness on the conductor, in cables depends upon

 power factor
 voltage
 reactive power
 current

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Power Systems
The draw back of NR method as compare to Gauss-Seidel method is/are?

None of these
 both 1 and 2
 large number of iterations
 large requirement of computer memory

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