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Power Systems

Power Systems
Example of base load stations are

  hydro.
  thermal.
  both A and B.
  gas turbine.

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Power Systems
The function of moderator in a nuclear reactor is

  to slow down the neutrons.
 to increase the energy of the neutrons.
All of these
 to absorb the excess.

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Power Systems
Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line)

 (Zl - Zs)/(Zs + Zl)
 2Zl/(Zs + Zl)
 2Zs/(Zs + Zl)
 (Zs - Zl)/(Zs + Zl)

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

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

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Power Systems
A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor?

 5d
 d
 3d
 2d

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Power Systems
What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes

 80.25 %.
  74.56 %.
  79.33 %.
 78.96 %.

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