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Power Systems

Power Systems
Which of the following plants is/are base load plants

 run off river
 both 1 and 2
 nuclear
 pump storage

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Power Systems
The use of high speed circuit breakers

 reduces the short circuit current.
  improves system stability.
 increased the short circuit current.
 decrease system stability.

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Power Systems
A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠°90 Ω, C = 0.5*10^-6∠90° â„§. Find Charging current under no load?

 0.144∠90° A/phase
 0.512∠90° A/phase
 1.144∠90° A/phase
 0.344∠90° A/phase

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Power Systems
Among the following which is not non conventional energy

  Geothermal.
  Tidal.
  Wind.
  Nuclear.

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Power Systems
A transmission line is compensated with shunt capacitance Csh. After shunt compensation surge impedance loading will

 increases
 remains unaffected
 decreases
None of these

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Power Systems
String chart is drawn between

 T on Y-axis and S and T on on X-axis
 both 1 and 2
 nether 1 nor 2
 temperature (T) on X- axis, sag(S) and tension (T) on Y-axis

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