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Power Systems

Power Systems
Based on the discharge, Kaplan turbine will discharge

 >10000 lpm
 1000 lpm

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Power Systems
The skin effect of conductor will increase when

 frequency decrease
 diameter decrease
All of these
 resistivity decrease

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Power Systems
The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers)

 N = 3x²-2x+1
 N = 3x²+3x+1
 N = 3x²-3x+1
 N = 3x²-6x+1

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Power Systems
Characteristics of arc quenching medium is/are

All of these
 Non flammable
 High dielectric strength
 High thermal conductivity

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Power Systems
Nuclear reactors usually employ

 none of above.
  fission.
 fusion.
 both of A and B.

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Power Systems
For a lossy transmission line, the characteristic impedance does not depend on

 The operating frequency of the line.
 The permittivity of the dielectric separating the conductor.
 The load terminating the line.
 The conductivity of conductors.

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