In a distillation operation the reflux ratio may vary between
A.zero and one
B.zero and infinity
C.minimum and infinity
D.one and two
A.zero and one
B.zero and infinity
C.minimum and infinity
D.one and two
A.the total pressure is 1 atm
B.the liquid phase behaves as an ideal solution
C.the vapour phase behaves as an ideal gas
D.both the liquid phase and vapour phase are ideal
A.minimum number of plates
B.infinite
C.optimum
A.?/DAB
B.?/?DAB
C.??/DAB
D.?DAB/?
A.thermal diffusivity to mass diffusivity
B.mass diffusivity to thermal diffusivity
C.mass diffusivity to momentum diffusivity
D.momentum diffusivity to thermal diffusivity
A.m/s
B.m2/s
C.m3/s
D.kmol/(m2-s)
A.one
B.zero
C.infinity
D.none of the above