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Power Systems

Power Systems
Which turbine is ideally suited to pumped storage plants

 Francis.
  Kaplan.
 Impeller.
 Pelton.

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Power Systems
Plant capacity factor value is

 1
 greater than 1
 less than 1
 0

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Power Systems
Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load?

 1.098 pu
 0.098 pu
 1 pu
 0.98 pu

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Power Systems
The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be

 10.936 pu
 8.936 pu
 7.936 pu
 9.936 pu

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Power Systems
Ideal plant load cfactor is

 greater than 1
 1
 less than 1
 0

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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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