When the density of the reaction mixture is constant
For large diameter tubular reactor
For narrow diameter tubular reactor
For CSTR
✅ The correct answer is option A.
Chemical Engineering MCQs
Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature.
Higher
Much higher
Lower
Much lower
✅ The correct answer is option D.
The rate of forward reaction, at chemical equilibrium is____the rate of backward reaction.
More than
Less than
Equal to
Either B or C
✅ The correct answer is option C.
A batch reactor is characterised by
Constant residence time
Variation in extent of reaction and properties of the reaction mixture with time
Variation in reactor volume
Very low conversion
✅ The correct answer is option B.
What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction?
0
1
2
3
✅ The correct answer is option A.
Exothermic reactions are best carried out in
A CSTR
CSTR in series
A plug flow reactor followed by CSTR
CSTR followed by a plug flow reactor
✅ The correct answer is option D.
Which of the following is not a theory of homogeneous reaction?
Collision theory and activated complex theory
Chain reaction theory
Radiation hypothesis
None of these
✅ The correct answer is option D.
For the reversible reaction A ⇋ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium?
0.253
0.338
0.152
0.637
✅ The correct answer is option B.