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

Enriching carbon in the coal
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
Pulverizing coal in inert atmosphere

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Steam Boilers, Engines, Nozzles and Turbines
Pick up the correct statement as regards Cornish boiler and Lancashire boiler

Cornish has two fire tubes and Lancashire has one
Cornish is water tube and Lancashire is fire tube
Cornish is fire tube and Lancashire is water tube
Lancashire has two fire tubes and Cornish has one

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