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Chemical Engineering · Q514

Heat Transfer

Engineering and GATE · Chemical Engineering · question 514

Q514

Which of the following situations can be approximated to a steady state heat transfer system?

A.
A red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C
B.
10 kg of dry saturated steam at 8 kgf/cm2 flowing through a short length of stainless-steel pipe exposed to atmospheric air at 35°C
Answer
C.
Boiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C
D.
A sub-cooled refrigerant liquid at 8°C flowing at the rate of 6 Kg/minute through a copper pipe exposed to atmospheric air at 35°C

Answer: Option B

Solution

Answer: Option B
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