Steam Boilers, Engines, Nozzles and Turbines
A regenerative steam cycle renders

Increased work output per unit mass of steam
Decreased work output per unit mass of steam as well as increased thermal efficiency
Increased thermal efficiency
Decreased work output per unit mass of steam

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Steam Boilers, Engines, Nozzles and Turbines
Coke is produced by

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

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