What is the slope of the feed line, if the feed to a distillation column is a saturated liquid ?

A. Maximum permissible vapour velocity
B. Flooding limit of the column
C. Total cost consideration (fixed cost of the column plus the cooling water & steam cost)
D. None of these

A. 0.3 to 0.8
B. 1.25 to 3.125
C. 3.5 to 7.0
D. 8 to12

A. Rupture diaphragm
B. Dikes
C. Surge chamber
D. None of these

A. f = 16/NRe
B. f = 0.04/(NRe)0.16
C. f = 0.22 NRe
0.5
D. f = 25/NRe

A. Laminar flow
B. Complete back mixing
C. Plug flow
D. Eddy diffusivity = 0

A. An increase in liquid viscosity
B. An increase in relative volatility for rectification columns
C. Decrease in gas solubility for absorbers
D. All A., B. and C.