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Power Systems

Power Systems
Based on the discharge, Kaplan turbine will discharge

 >10000 lpm
 1000 lpm

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Power Systems
In a two plant system, the load is connected to plant number 2. The loss coefficients are

 B11 is non zero,B22 = B12 = 0
 B11,B12 are non zero ,B22 = 0
 B11,B22 are non zero,B12 = 0
 B11,B22,B12 are non zeros

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Power Systems
The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be

 1.3.
 0.44.
  0.83.
 0.25.

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Power Systems
Which of the following statements are true?

 both 1 and 2
 Bus impedance matrix is a full matrix
 Bus admittance matrix is a sparse matrix
 nether 1 nor 2

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Power Systems
Which of the following represents the sag(S) of a transmission line?

 S = wl²/8T
 S = wl²/16T
 S = wl²/4T
 S = wl²/2T

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Power Systems
A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage?

 41.075 kV/phase
 34.64 kV/phase
 17.32 kV/phase
 82.15 kV/phase

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