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This quiz contains multiple-choice problems on rigorous distillation basics and methods, rigorous methods’ strategy solutions, tridiagonal matrix method, bubble point, Newton-Raphson method, sum rates and 2n Newton method, global Newton method, inside-out and relaxation method, non-equilibrium rate-based methods, simulation input setting problems, failure recovery and result analysis.
Rigorous methods are only applied to
Rigorous methods are used as primary
For accurate reflux estimate,
Reflux of high purity is used
Narrow boiling is used
Super fractionators are used
Final temperature is used
T{j} is assigned as the
The stage temperature
The boiler temperature
The condenser temperature
The components’ temperature
Which of the following are calculated in the Thiele-Geddes method?
Vapour and liquid compositions
Input and output fees rates
Reflux ratio
Boil-up
The Lewis-Matheson method can be adjusted for a fixed number of
Trays
Stages
Columns
Sections
An equilibrium stage that contains no feed, side products, or heat exchangers is called
Final stage
Simple stage
First stage
Exit stage
In a multicomponent operation, i and j are
Variables of flow
Component and stage
Reflux and boil-up
Feed ratio
A stage that contains more than one feed, side products or heat exchangers is called
Simple stage
Multi stage
Complex stage
Pure stage
The term L{j}/V{j}K{i}{j} is called
Stripping factor
Absorption factor
Reflux ratio
Boil-up
MESH stands for
Material, equilibrium, summation and heat
Mass, equilibrium, simulation and heat
Makeup, equilibrium, subject and heat
Material, equilibrium, summation and height
Which of the following is also called the rating method?
McCabe-Thiele method
Ponchan-Savarit method
Thiele-Geddes method
Homotomy method
Murphree equation is used for calculating
Stage calculation
Equilibrium condition
Reflux ratio
Tray efficiency
When is a solution said to be formed?
When all MESH equations are zero
When all MESH equations are infinite
When all MESH equations are satisfied
When all MESH equations are unity
