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

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Steam Boilers, Engines, Nozzles and Turbines
The function of a safety valve is

To indicate the water level inside the boiler to an observer
To measure pressure of steam inside the steam boiler
None of these
To blow off steam when the pressure of steam inside the boiler exceeds the working pressure

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