Steam Boilers, Engines, Nozzles and Turbines
The equivalent evaporation of a boiler is a measure to compare

Two different makes of boilers operating under the same operating conditions
Any type of boilers operating under any conditions
The given boiler with the model
The two different boilers of the same make

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

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
Binding the pulverized coal into briquettes
Pulverizing coal in inert atmosphere

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