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

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

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Steam Boilers, Engines, Nozzles and Turbines
Stoichiometric quantity of air is the

Air required to convert CO into CO₂
Air present in atmosphere at NTP conditions
Air required for optimum combustion so as to have reasonable excess air
Air required for complete combustion of fuel with no excess air

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