A. Thermal conductivity
B. Heat flux
C. Heat transfer co-efficient
D. Thermal diffusivity
A. Dowtherm
B. Molten sodium
C. Water
D. Air
A. Increases
B. Decreases
C. Remain same
D. May increase or decrease depending on the type of gas
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
A. Smaller than
B. Greater than
C. Equal to
D. Not related with
A. 165.4
B. 167.5
C. 172.5
D. 175
A. Finned tube heat exchanger with air inside and steam outside
B. Finned tube heat exchanger with air outside and steam inside
C. Shell and tube heat exchanger with air inside tubes and steam on shell side
D. Shell and tube heat exchanger with air on shell side and steam inside tubes