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Power Systems

Power Systems
Among the following which is not non conventional energy

  Nuclear.
  Geothermal.
  Tidal.
  Wind.

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Power Systems
Where is the draft tube of a hydroelectric plant that is an airtight pipe located

 Near the surge tank.
 In between the runner exhaust and the tail race.
  In between the penstock and runner.
 At the beginning of the penstock.

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Power Systems
The characteristic impedance of a transmission line is

 Directly proportional to its length.
 Inversely proportional to square root of its length.
 Directly proportional to square root of its length.
 Independent of its length.

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Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 7
 1
 19
 29

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Power Systems
Maximum power capacity of a transmission line can be increased by

 nether 1 nor 2
 increasing voltage level
 decreasing reactance value
 either 1 or 2

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Power Systems
An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is

 0.05 mH/Km
 0.025 mH/Km
 0.1 mH/Km
 0 mH/Km

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