If the feed to a distillation column is a saturated liquid then the slope of the feed line is
A.0
B.?
C.> 1
D.< 1
A.has the same composition as the overhead product
B.is richer in less volatile component than overhead product
C.is richer in more volatile component than overhead product
A.remain constant
B.decrease
C.increase
A.lowering the barometric pressure
B.reducing the humidity of entering air
C.increasing the air velocity over the wet surfaces
D.all of the above
A.a sharp increase in pressure drop
B.a sharp increase in Murphree plate efficiency
C.a sharp decrease in pressure drop
D.a sharp decrease in liquid hold up in the column
A.are mixtures with constant boiling point at the specified pressure
B.obey Raoults law at all temperature
C.are mixtures of partially miscible liquids
D.none of the above
A.hG/ky
B.ky/hG
C.hG/ky Cs
D.NSc/NPr