How many fire tubes (Furnace tubes) does a Lancashire boiler has?

How many fire tubes (Furnace tubes) does a Lancashire boiler has? Correct Answer Two

Lancashire boiler has two tubes also called as furnace tubes inside the cylindrical shell. These tubes are constructed with several rings of cylindrical form. They are covered all around with water and carry hot gases coming from the furnace.

Related Questions

Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?
The difference between Cornish boiler and Lancashire boiler is that
Pick up the correct statement as regards Cornish boiler and Lancashire boiler
Boilers, Engines, Nozzles and Turbines Objective Questions and Answers pdf:- 101. The difference between cornish boiler and lancashire boiler is that