Power Systems
The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° â„§. The sending end voltage is 400 kV. The receiving end voltage under no load condition is

 350 kV
 600 kV
 500 kV
 400 kV

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Power Systems
The draft tube is provided to

  increase the acting head on the water wheel.
 raise the water surface of the stream to create an artificial head.
 reduce the effect of water hammer.
None of these

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