Rate
Feasibility
Both A & B
Neither A nor B
✅ The correct answer is option A.
Chemical Reaction Engineering MCQs
Which of the following factors control the design of a fluid-solid reactor?
Reaction kinetics for single particle,
Size distribution of solids beingtreated
Flow patterns of solids and fluid in the reactor
All of the above
✅ The correct answer is option D.
Helium-mercury method can be used to determine the __________ of the catalyst particle.
Pore volume
Solid density
Porosity
All of the above
✅ The correct answer is option D.
To maximise the formation of R in the simultaneous reaction A + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have
Low CA, low CB
Low CA, high CB
High CA, low CB
High CA, high CB
✅ The correct answer is option B.
Shift conversion reaction
Converts N₂ and H₂ into NH₃
Converts CO to CO₂ with steam
Is non-catalytic
Is highly exothermic
✅ The correct answer is option B.
Given, 3H₂ + CO = CH₄ + H₂O, KP = 101.84 and, 4H₂ + CO₂ = CH₄ + 2H₂O, KP = 101.17 the KP for the reaction CO + H₂O = CO₂ + H₂ is
103.01
10-0.67
10-3.01
L00.67
✅ The correct answer is option D.
In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the
Total pressure of the system
Volume of the reactor
Temperature
Initial concentration of N₂ and H₂
✅ The correct answer is option C.
The space time is equivalent to the holding time in a steady state mixed reactor for
Non-isothermal gas reaction
Variable fluid density systems
Constant fluid density systems
Gas reactions with changing no. of moles
✅ The correct answer is option C.
The fractional volume change of the system for the isothermal gas phase reaction, A 3B , between no conversion and complete conversion is
0.5
1
2
3
✅ The correct answer is option C.
The use of space time is preferred over the mean residence time in the design of a/an
Batch reactor
Ideal tubular-flow reactor
Slurry reactor
CSTR
✅ The correct answer is option B.