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Questions and Answers
Heat exchangers are devices that mix two fluid streams together.
Heat exchangers are devices that mix two fluid streams together.
False (B)
Shell-and-tube heat exchangers are used as devices to transfer heat.
Shell-and-tube heat exchangers are used as devices to transfer heat.
True (A)
Baffles in cross-flow exchangers decrease fluid path length.
Baffles in cross-flow exchangers decrease fluid path length.
False (B)
Double pipe heat exchangers use only one pipe for the circulation of hot fluid.
Double pipe heat exchangers use only one pipe for the circulation of hot fluid.
Heat exchangers are not important in industry.
Heat exchangers are not important in industry.
Parallel flow is one of the flow patterns in heat exchangers.
Parallel flow is one of the flow patterns in heat exchangers.
The number assigned to a heat exchanger refers to the number of mixtures it creates.
The number assigned to a heat exchanger refers to the number of mixtures it creates.
Expansion bents are necessary in shell-and-tube heat exchangers.
Expansion bents are necessary in shell-and-tube heat exchangers.
Finned tube exchangers use steam as the heating fluid.
Finned tube exchangers use steam as the heating fluid.
The overall heat transfer coefficient is represented by $U A DT$.
The overall heat transfer coefficient is represented by $U A DT$.
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