A. Height is 75% of the I.D. of the shell
B. Height is 25% of the I.D. of the shell
C. Spacing is 75% of its height
D. Width is 25% of its height
A. Tube dia is 3-6 cms, while tube length in 3-6 metres
B. Steam is fed to the shell, whereas the liquor is filled inside the tube
C. Liquor level is maintained at 1/3rd to 1/2 of the height of the tube
D. None of these
A. Sensible heat differences are small, because the temperature changes from tray to tray is small
B. Trouton’s rule is applicable
C. Liquid/vapor loading across the column remains constant
D. All A., B. and C.
A. Tubes to avoid the expansion of high pressure shell construction
B. Shell side for smaller total pressure drop
C. Shell side, if the flow is counter-current and tube side if the flow is co-current
D. Shell side for large overall heat transfer co-efficient
A. 1/8 and 1/64
B. 1/64 and 1/8
C. 1/2 and 8
D. 1/2 and 5
A. Central dished section and corner torus section
B. Corner torus section and central dished section
C. Central dished section and straight flange section
D. Straight flange section and corner torus section
A. Decreases with increase in gas flow rate
B. Is inversely proportional to the mass of the dust particle
C. Is directly proportional to the radius of the dust particle path
D. None of these