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Power Systems

Power Systems
Surge impedance loading (SIL) is represented by

 Vph²/Zs
 Vl²/Zs
 both 1 and 2
 Vl²*√(C/L)

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Power Systems
The specific speed ( NS ) of turbine is given by

 P√( N ) / H3/2.
 N√( P ) / H2/3.
 none of these.
  N√( P ) / H1.25.

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Power Systems
Sparse matrix is matrix which contain

 more number of non zeros
 less number of memory elements
 more number of memory elements
 more number of zeros

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Power Systems
More efficient plants are used as

 peak load plant
 both 1 and 2
None of these
 base load plant

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Power Systems
Peak load power plants is/are

 pumped storage plant
 nuclear plants
 diesel plant
 both 1 and 2

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Power Systems
To prevent maloperation of deferentially connected relay while energizing a transformer, the relay restraining coil is biased with

 3rd harmonic current.
 7th harmonic current.
  5th harmonic current.
 2nd harmonic current.

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