Moderate
In a shell and tube surface condenser____________?
Correct answer: B. cooling water passes through the tubes and steam surrounds them
- A. steam and cooling water mix to give the condensate
- B. cooling water passes through the tubes and steam surrounds them
- C. steam passes through the cooling tubes and cooling water surrounds them
- D. all of the above varying with situation
Explanation
A shell-and-tube surface condenser keeps the fluids separate: cooling water flows inside the tubes and exhaust steam surrounds the tubes on the shell side. Direct mixing, described in option A, occurs in jet condensers instead.
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