Chemical Engineering > GATE 2019 > Heat Exchanger Design
Consider the two countercurrent heat exchanger designs for heating a cold stream from tin to tout, as shown in figure. The hot process stream is available at Tin. The inlet stream conditions and overall heat transfer coefficients are identical in both the designs. The heat transfer area in Design I and Design II are respectively AIHX and AIIHX.
If heat losses are neglected, and if both the designs are feasible, which of the following statements holds true:
A
$A_{HX}^{I}>A_{HX}^{II}$ $T_{out}^{I}
B
$A_{HX}^{I}=A_{HX}^{H}$ $T_{out}^{I}=T_{out}^{II}$
C
$A_{HX}^{I}T_{out}^{II}$
D
$A_{HX}^{I}
Correct : d
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