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Power Systems

Power Systems
Attenuation occurs due to

 resistance
 inductance
 conductance
 both 1 and 3

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Power Systems
The amount of ash content in Indian coal

 20 %.
  60 %.
 35 %.
  45 %.

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Power Systems
In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system?

 0.25
 0.5
 1
 0.75

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Power Systems
Transmission lines are transposed to reduce

 ferranti effect
 interference with neighbouring communication lines
 proximity effect
 skin effect

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Power Systems
For distortion less line which of following relation are true

 R/L = G/C.
 R = O, G = O.
 R/L = C/G.
 None of above.

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Power Systems
In which of the following transmission lines capacitance effect is negligible?

 both 1 and 3
 medium transmission lines
 shoart transmission lines
 long transmission lines

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