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Power Systems

Power Systems
The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is

 LLL
 LG
 LL
 LLG

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Power Systems
Plant capacity factor value is

 less than 1
 0
 greater than 1
 1

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Power Systems
Efficiency of thermal power plant can be taken as

  efficiency of thermal cycle.
  generator efficiency.
  turbine efficiency.
  product of efficiencies of all stages.

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Power Systems
Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF?

 400 Ω
 200 Ω
 160 Ω
 800 Ω

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Power Systems
A CT is connected in ___________________ with the line.

  across.
  both A and B.
  series.
  not connected.

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Power Systems
One Kg of natural uranium gives energy equivalent to about

 5000 Kg of coal.
 100 Kg of coal.
 1000 Kg of coal.
  10500 Kg of coal.

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