Steam Boilers, Engines, Nozzles and Turbines
Locomotive type' boiler is

Horizontal multi-tubular water tube boiler
Horizontal multi-tubular fire tube type
Vertical tubular fire tube type
Water wall enclosed furnace type

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

To convert rotary motion of the crankshaft into to and fro motion of the valve rod
To prevent fluctuation of speed
To keep the engine speed uniform at all load conditions
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 for complete combustion of fuel with no excess air
Air present in atmosphere at NTP conditions
Air required for optimum combustion so as to have reasonable excess air
Air required to convert CO into CO₂

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