Steam Boilers, Engines, Nozzles and Turbines
Gusset stays in a boiler are provided to

Prevent the bulging of flat surfaces
Prevent leakage of hot flue gases
Support furnace freely from top
Avoid explosion in furnace

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

Lancashire has two fire tubes and Cornish has one
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

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