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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?

 0.5
 0.75
 0.25
 0.4

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Power Systems
For harnessing low variable water heads, the suitable hydraulic turbine with high percentage of reaction and runner adjust vanes is

  Francis.
  Pelton.
  Impeller.
  Kaplan.

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Power Systems
The flow duration curve at a given head of a hydroelectric plant is used to determine

 load factory at the plant.
 diversity factor for the plant.
 total units of energy available.
  total power available at the site.

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

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

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Power Systems
Uses of diesel power stations

All of these
  emergency plants.
 standby plants.
  peak load plant.

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Power Systems
Ideal plant load cfactor is

 greater than 1
 0
 less than 1
 1

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