Which of the following situations can be approximated to a steady stat

1.	Which of the following situations can be approximated to a steady state heat transfer system?
A.	red hot steel slab (having outside surface temperature as 1300°C) exposed to the atmosheric air at 35°C
B.	0 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
C.	oiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C
D.	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» C. oiling brine kept in open vessel when the bottom surface temperature of the vessel is maintained constant at 180°C

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

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