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Power Systems

Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 7
 1
 29
 19

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Power Systems
Among the following which is not non conventional energy

  Wind.
  Nuclear.
  Geothermal.
  Tidal.

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Power Systems
The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be

 900
 250
 450
 500

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Power Systems
Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation

  20060 J.
 25060 J.
 23060 J.
  20160 J.

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Power Systems
An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is

 400 MVA
 200 MVA
 100 MVA
 500 MVA

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

 0.5
 0.4
 0.25
 0.75

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