Question 5General Subjects - QMED
70% to passIf a sea water-cooled shell-and-tube lubricating oil cooler has the sea water inlet and outlet connections on the opposite end water boxes, in terms of the number of passes, what statement is true?
AThe number of fluid passes cannot be determined.
BThe tube-side fluid flow pattern is four-pass.
CThe tube-side fluid flow pattern is single-pass.
DThe tube-side fluid flow pattern is two-pass.
AI Explanation
The correct answer is C) The tube-side fluid flow pattern is single-pass. In a shell-and-tube heat exchanger with the inlet and outlet connections on opposite ends, the tube-side fluid flow pattern is single-pass. This means the fluid flows through the tubes in a single direction, from one end to the other, without any reversal or change in direction. The other answer choices are incorrect because: A) The number of passes can be determined as single-pass; B) Four-pass flow pattern requires the inlet and outlet to be on the same end; and D) Two-pass flow requires the inlet and outlet to be on the same end with a reversal of flow direction.
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