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

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Power Systems
An impulse turbine

 always operates submerged.
 makes use of a draft tube.
 is most suited for low head and high discharge power plants.
  operates by initial complete conversion to kinetic energy.

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