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

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

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

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

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