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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
 0.5
 0.75
 0.4

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Power Systems
Which of following is a medium and low head turbines

  Kaplan and Francis turbines.
  Pelton and Kaplan turbines.
  Francis and Kaplan turbines.
  None of above.

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Power Systems
Objectives of power system is/are

 Cost of electrical energy per KWh is to be minimum
 nether 1 nor 2
 both 1 and 2
 Rated voltage and frequency has to be supplied to the consumers

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Power Systems
Breaking current is a ------------------ value?

 maximum
 average
 any of the above
 RMS

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Power Systems
Switchgear equipment include

  all of these.
  switches.
  relays and CB.
  fuses.

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Power Systems
The draw back of NR method as compare to Gauss-Seidel method is/are?

None of these
 large requirement of computer memory
 both 1 and 2
 large number of iterations

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