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Power Systems

Power Systems
In Francis turbine runner, the number blades is usually of the order of

 3 - 6.
  16 - 24.
 6 - 8.
 12 - 14.

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Power Systems
Direct conversion of heat energy into electrical energy is possible through

 Both A and C.
 Fuel or solar cell.
 Thermal converters.
 MHD generator.

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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

 0.44.
 1.3.
  0.83.
 0.25.

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Power Systems
Ideal plant load cfactor is

 1
 greater than 1
 less than 1
 0

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

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Power Systems
In thermal power plants the size of coal after crushing

 200 - 205 mm.
  20 - 25 mm.
  300 mm.
 40 mm.

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