Which of the following characteristics decides that the Lancashire boi...
Characteristics of Lancashire Boiler as a Fire Tube Boiler:
Use of Two Flue Tubes:
The Lancashire boiler is classified as a fire tube boiler because it utilizes two flue tubes through which the hot gases flow, while the water is kept around these tubes. This design allows for efficient heat transfer from the hot gases to the water, making it an effective fire tube boiler.
Horizontal Erection:
Another characteristic of the Lancashire boiler is its horizontal erection. This horizontal layout is typical of fire tube boilers, where the tubes containing the hot gases are arranged horizontally, allowing for easy access for maintenance and cleaning.
Coal Firing:
While coal firing is a common method of fueling boilers, it is not a defining characteristic of a fire tube boiler. Fire tube boilers can be fired using various fuels, including coal, oil, and gas. The Lancashire boiler's coal firing method does not necessarily determine its classification as a fire tube boiler.
All Around Brick-work Settling:
The Lancashire boiler is known for its all-around brickwork settling, which provides insulation and support for the circulation of hot gases. This brickwork is a common feature in fire tube boilers, as it helps to contain and direct the flow of hot gases, improving the overall efficiency of the boiler.
In conclusion, the use of two flue tubes through which hot gases flow, along with horizontal erection and all-around brickwork settling, are the key characteristics that determine the Lancashire boiler as a fire tube boiler.
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