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Power Systems

Power Systems
If skin depth is more, then skin effect is

None of these
 less
 either 1 or 2
 more

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Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 5
 6
 4
 3

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Power Systems
When a pumped storage power plant is operated in conjunction with a steam power plant

All of these
 chances of the tripping of the system decrease
 load factor of the steam plant is increased
 the operating cost of the steam plant become optimum

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Power Systems
Which of the following insulator is practically used for railway crossings?

 strain insulator
 string insulator
All of these
 pin insulator

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Power Systems
Which of the following method is/are more reliable?

 Fast Decoupled Load Flow (FDLF) method
All of these
 Gauss-Siedel (GS) method
 Newton Raphson (NR) method

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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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