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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
 0.4
 0.25

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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?

 0.5
 1
 0.25
 0.75

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Power Systems
Out of the following plant categories which is not the base load power plant?

  Pump storage.
 Run of river.
 Nuclear.
 Diesel.

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Power Systems
An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is

 8
 5
 6
 2

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Power Systems
Which of following power plants will take long period in erection and installation

 Nuclear.
 Hydro Power Plant
 Thermal.
 Gas turbine.

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Power Systems
The rating of fuse wire is always expressed in

  amperes.
  ampere-hours.
  ampere-volts.
  kWh.

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