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Power Systems

Power Systems
Galvanised steel is generally used as

 earth wire.
All of these
 structural components.
 stray wire.

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Power Systems
The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is

 750 kW
 250 kW
 500 kW
 300 kW

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

 15 cm
 5 cm
 1 cm
 1.5 cm

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Power Systems
For 66 kV lines the number of insulator discs of each 11 kV used are

 5
 6
 3
 12

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Power Systems
Example of base load stations are

  hydro.
  gas turbine.
  both A and B.
  thermal.

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Power Systems
Which of the following relationships are not valid for short transmission lines

 A = D = 1
All of these
 B = C = Z
 Is = Ir

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