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Power Systems

Power Systems
A 3 layer, total diameter of an ACSR conductor is 5 cm. Find the diameter of each strand?

 5 cm
 1.5 cm
 15 cm
 1 cm

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Power Systems
The economics of power plant is greatly influenced by

 both 1 and 2
 diversity factor
 load factor
 nether 1 nor 2

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Power Systems
Which of following generating plants has the minimum operating cost

 Hydroelectric plant.
 Steam plant.
 Nuclear plant.
 Diesel plant.

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Power Systems
Load frequency control is achieved by properly matching the individual machines

  turbine inputs.
  generator ratings.
  generated voltages.
  reactive powers.

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Power Systems
The insulation of the modern EHV lines is designed based on

 the lighting voltage.
 corona.
 R × I.
  the switch voltage.

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Power Systems
For accurate load flow calculations on large power systems, the best method is

 G-S method
 N-R method
 Decoupled method
All of these

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