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Power Systems

Power Systems
A 4 bus power system consists of 4 transmission lines, then find the sparsity of Y bus matrix?

 0.25
 0.4
 0.5
 0.75

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Power Systems
For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is

 Impeller.
  Kaplan.
 Pelton.
 Francis.

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Power Systems
If the penalty factor of a plant is unity, its incremental transmission loss is

 -1
 1
 0
None of these

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Power Systems
On which one of the following cycles does a modern steam power plat work

 Carnot cycle.
  Rankine cycle.
 Bell - Coleman cycle.
 Otto cycle.

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Power Systems
Skin effective is more in case of

None of these
 same in both cases
 communication lines
 power lines

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Power Systems
If sag in an overhead line increase, tension in the line

None of these
 increase
 remains same
 decrease

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