Chemical Heat Transfer

A. CPA > CPB
B. CPA < CPB
C. kA < 0.5 kB
D. kA >2 kB

A. U1 = U2
B. U2 > U1
C. U1 > U2
D. U1 = dirt factor – U2

A. Co-current
B. Counter-current
C. Turbulent
D. Laminar

A. Co-current
B. Cross-current
C. Counter-current
D. Direct contact

A. Re and Pr
B. Re and Gr
C. Pr and Gr
D. Re and Sc

A. In low range of temperature differences
B. In high range of temperature differences
C. Because of its low cost
D. To prevent corrosion of the tube bundles

A. Medium
B. Temperature
C. Surface
D. None of these

A. Occupies smaller space
B. Is more economical
C. Is easy to operate and maintain
D. All A., B. and C.

A. 10
B. > 10
C. < 10
D. Either B. or C., depends on the mass of the body

A. 1 to 100
B. 0.5 to 50
C. 10 to 100
D. 100 to 1000