A. Foaming
B. Viscous
C. Very thin
D. Corrosive
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. J.m-2.K-1
B. J.m-1.K-1
C. W.m-2.K-1
D. W-1m2K
A. Temperature of the heating surface is less than the boiling point of the liquid
B. Temperature of the heating surface is more than the boiling point of the liquid
C. Bubbles from heating surface are absorbed by the mass of the liquid
D. Very large vapour space is necessary
A. Varies directly as the area and the LMTD
B. Directly proportional to LMTD and inversely proportional to the area
C. Varies as square of the area
D. None of these
A. 5 minutes
B. 10 minutes
C. 20 minutes
D. 40 minutes
A. Decreases
B. Increases
C. Remains unchanged
D. May increase or decrease; depends on the gas