Steam Boilers, Engines, Nozzles and Turbines
Carbonization of coal is the process of

Binding the pulverized coal into briquettes
Pulverizing coal in inert atmosphere
Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel
Heating wood in a limited supply of air at temperatures below 300°C

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Steam Boilers, Engines, Nozzles and Turbines
The difference between Cornish boiler and Lancashire boiler is that

Former contains one fire tube and latter contains two fire tubes
Former is fire tube type and latter is water tube type boiler
None of the listed here
Former is water tube type and latter is fire tube type

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Steam Boilers, Engines, Nozzles and Turbines
In a single acting steam engine

The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft
The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft
The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft
The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft

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