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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?

 1 cm
 5 cm
 1.5 cm
 15 cm

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Power Systems
When is the ferranti effect on long overhead lines experienced?

 The line is fully loaded
 The power factor is unity
 The line is lightly loaded
 The line is heavily loaded

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Power Systems
Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge?

 9.81 kW
 19.60 kW
 2.90 kW
 4.45 kW

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Power Systems
Direct conversion of heat energy into electrical energy is possible through

 Both A and C.
 Thermal converters.
 MHD generator.
 Fuel or solar cell.

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Power Systems
Which of the following is not a secondary nuclear fuel

 U233.
 None of above.
  U235.
 Pu239.

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Power Systems
If the breakdown voltage of the insulator is high, the thickness of the insulator is

None of these
 high
 less
 it does not related to breakdown voltage

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