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Generation of Electrical Energy

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

Pelton turbine
None of these
Kaplan turbine
Francis turbine

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Generation of Electrical Energy
Bio gas consist of

None of these
A special organic gas
Only methane
Methane and CO2 with some impurities

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Generation of Electrical Energy
Rankine cycle efficiency of a good steam power plant may be in the range of

35 to 45 percent
90 to 95 percent
15 to 20 percent
70 to 80 percent

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Generation of Electrical Energy
The efficiency of chimney is approximately

20 %
0.25 %
80 %
40 %

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Generation of Electrical Energy
The function of a moderator in a nuclear reactor is

To start the chain reaction
To speed up the slow moving electrons
To transfer heat produced inside the reactor to a heat exchanger
To slow down the fast moving electrons

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Generation of Electrical Energy
Method which is commonly applied for unloading the coal for small power plant is

tower cranes
belt conveyor
coal accelerators
lift trucks

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