A. A red hot steel slab (having outside surface temperature as 1300°C) exposed to the
atmospheric 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
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
Correct Answer: 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 ✔
Last Updated: March 03, 2019