Question 3General Subjects - QMED70% to pass
What type of flow pattern would be associated with a forced-convection finned-coil heat exchanger such as a air-cooled hydraulic oil cooler?
AI Explanation
The correct answer is D) Cross flow.
In a forced-convection finned-coil heat exchanger like an air-cooled hydraulic oil cooler, the air flow and the fluid flow (oil) are perpendicular to each other, resulting in a cross-flow heat exchange pattern. This cross-flow configuration maximizes the heat transfer between the two fluids by exposing a larger surface area of the coils to the air flow.
The other options are incorrect because: A) Counter flow refers to the fluids flowing in opposite directions, B) Series flow means the fluids flow one after the other, and C) Parallel flow means the fluids flow side-by-side, none of which accurately describe the configuration of a finned-coil heat exchanger.
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