Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler ?

• A. Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler.
• B. Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler.
• C. Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes.
• D. Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube.