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This quiz contains multiple-choice problems on packing efficiency, maldistribution and its effects, packed tower scale-up and column sizing.
The θj factor is a
Absorbers have a rich bottom of
Absorbers have a lean end of
The 2N Newton method is based on the algorithm of
N X N
2 X N
N X M
2 X M
If ε > 0, then
f(a)f(b) > 0
f(a)f(b) = 0
f(a)f(b) = 1
f(a)f(b) < 0
Xij and Yij are the component balances of
Equilibrium relation
Constant relation
Final relation
Direct relation
represents the value of
Sum of feeds
Liquid flow rates
Gas flow rates
Vapor flow rates
The number of independent functions is equal to
The number of trays
The number of stages
The number of species
The number of feeds
The SR Method is suitable for
Absorbers and strippers
Distillation and absorber
Any equipment
High pressure equipment
The initial assumption to the Tomich method is
Set initial temperature
Set total stages
Final pressure
Initial pressure
The stages flow rate and the vapour flow rates are expressed as
[E1 E2 E3 …. EN-1 EN, V1 V2 K3 …. VN-1 VN]
[T1 T2 T3 …. TN-1 TN, V1 V2 V3 …. VN-1 VN]
[S1 S2 S3 …. SN-1 SN, E1 E2 E3 …. EN-1 EN]
[K1 K2 K3 …. KN-1 KN, T1 T2 T3 …. TN-1 TN]
Which method uses the summation of the equations for vapour and liquid components?
NR method
RF method
Tomich method
2N method
Newton’s method is a fixed point iteration method, as P{n} =
g(P{n} - 1)
(P{n} - 1)
g
P{n}
The independent variables of independent functions are used as, F{i} =
[E{1} E{2} E{3} …. E{N-1} E{N}, K{1} K{2} K{3} …. K{N-1} K{N}].
[T{1} T{2} T{3} …. T{N-1} T{N}, K{1} K{2} K{3} …. K{N-1} K{N}].
[S{1} S{2} S{3} …. S{N-1} S{N}, E{1} E{2} E{3} …. E{N-1} EN}].
[K{1} K{2} K{3} …. K{N-1} K{N}, T{1} T{2} T{3} …. T{N}].
