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
Chemical Heat Transfer
Chemical Heat Transfer
A. Plain carbon steel
B. Stainless steel
C. Lead
D. Copper
A. W/m.k
B. W/m
C. W/m.k2
D. None, ‘a’ is just a number
A. 0.001 to 1
B. 0.6 to 120
C. 0.5 to 5
D. 120 to 400
A. 0.06 to 120
B. 0.6 to 120
C. 1 to 103
D. 1 to 50
A. (COP)R = (COP)HP = 0.6
B. (COP)R = 2.5; (COP)HP = 1.5
C. (COP)R = 1.5; (COP)HP = 2.5
D. (COP)R = (COP)HP = 2.5
A. Thermal conductivity
B. Heat flux
C. Heat transfer co-efficient
D. Thermal diffusivity
A. Sum
B. Difference
C. Ratio
D. None of these
A. Small
B. Large
C. All
D. One fixed
A. Decreases
B. Increases
C. Remain constant
D. First decreases upto certain temperature and then increases
