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Power Systems

Power Systems
In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines?

 4
 5
 8
 2

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Power Systems
The thermal efficiency of BWR is

 less than that of PWR.
  equal to that of PWR.
 greater than that of PWR.
None of these

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Power Systems
If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is

 50 MJ
 10 MJ
 5 MJ
 500 MJ

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Power Systems
How to find the total number of strands (N) when number of layers (x) are given

 Total number of strands N = 3x² + 3x - 1
 Total number of strands N = 3x² - 3x + 1
 Total number of strands N = 3x² - 3x - 1
 Total number of strands N = 3x² + 3x + 1

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Power Systems
In a thermal power plant, which of its following components needs maximum maintenance attention

 Steam turbine.
 Boiler.
 Condenser.
 Super heater.

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Power Systems
Which of the following power plants needs highly skilled/qualified engineers for its operation

 Thermal.
 Gas-turbine.
 Nuclear.
 Hydro Power Plant

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