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

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

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Steam Boilers, Engines, Nozzles and Turbines
In regenerative air preheaters, the heat is transferred

From heating an intermediate material and then heating the air from this material
Heat is transferred by bleeding some gas from furnace
By direct mixing
From a metal wall from one medium to another

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