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Generation of Electrical Energy

Generation of Electrical Energy
For low head and large discharge, the hydraulic turbine used is

Kaplan turbine
None of these
Pelton turbine
Francis turbine

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Generation of Electrical Energy
Water hammer is developed in a

Turbine
Penstock
Surge tank
Draft tube

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Generation of Electrical Energy
Blowing down of boiler water is the process

to control the solid concentration in the boiler water by removing some of the concentrated saline water
to increase the steam temperature
None of these
to reduce the boiler pressure

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Generation of Electrical Energy
The thermal efficiency of a steam power plant is about

28%
80%
69%
75%

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Generation of Electrical Energy
The efficiency of a modern boiler using coal and heat recovery equipment is about

40 to 50%
85 to 90%
65 to 70%
25 to 30%

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Generation of Electrical Energy
For which of the following power plants highly skilled engineers are required for running the plants?

Diesel power plant
Nuclear power plant
Hydroelectric plant
Solar power plant

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