Question 70 on boiler foundations on October 23: (A certain score will be given to the top 40)
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Shell-and-tube boilers also have a defined water circulation circuit (). Thank you for your support; correct answers earn +6 points to wealth, while incorrect answers result in +3 points to wealth after 45 posts
A shell-and-tube boiler, which is what we commonly refer to as a fire-tube boiler, has a double-jacket structure. The outermost tube is called the shell, while the inner tube is known as the furnace chamber. Water serves as the medium in the space between these two tubes; the furnace chamber functions as the combustion area, where flames and smoke pass through. When the boiler operates and pressure is generated, the shell is subjected to internal pressure, whereas the furnace chamber bears external pressure. Therefore, I believe this is the correct statement for this question.
Error. There is no distinct water circulation loop; it simply takes place within the water volume.
Shell-and-tube boilers also have a distinct water circulation circuit (incorrect)
Shell-and-tube boilers also have a distinct water circulation circuit (correct)
Shell-and-tube boilers also have a distinct water circulation circuit (False)
Shell-and-tube boilers also have a distinct water circulation circuit (x)
Shell-and-tube boilers also have a distinct water circulation circuit (False)
Shell boilers also have a defined water circulation circuit (False). Shell boilers do not have a fixed circulation circuit; the water circulates within the boiler’s water volume
Shell-and-tube boilers also have a distinct water circulation circuit (False)
Shell-and-tube boilers also have a distinct water circulation circuit (False)