Steam Boilers, Engines, Nozzles and Turbines
The function of a flywheel is

To keep the engine speed uniform at all load conditions
To prevent fluctuation of speed
To convert reciprocating motion of the piston into rotary motion
To convert rotary motion of the crankshaft into to and fro motion of the valve rod

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Steam Boilers, Engines, Nozzles and Turbines
Which is not the correct statement about moisture in coal?

It increases thermal efficiency
Inherent moisture and surface moisture are different things
Some moisture in coal helps in better burning which is not possible with completely dry coal
In some coals moisture may be present up to 40%

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