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Power Systems

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

 6 - 8.
  16 - 24.
 12 - 14.
 3 - 6.

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Power Systems
Which of the following power plants needs highly skilled/qualified engineers for its operation

 Hydro Power Plant
 Nuclear.
 Thermal.
 Gas-turbine.

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Power Systems
Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW?

 P1 = 80 MW, P2 = 120 MW
 P1 = 60 MW, P2 = 140 MW
 P1 = 100 MW, P2 = 100 MW
 P1 = 120 MW, P2 = 80 MW

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Power Systems
The main objectives of power system is/are

 Cost of electrical energy per KWh is to be minimum
 Reliable power has to be available
 Flexible power has to be available.
All of these

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Power Systems
Graphite is use din nuclear plant as a / an

  moderator.
 fuel.
 coolant.
 electrode.

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Power Systems
Pin insulators are used up to

 11 kV
 any voltage level
 120 kV
 33 kV

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