1000+ Chemical Reaction Engineering MCQ Questions & Answers Pdf - 1
Question: 1
The role of a catalyst in a chemical reaction is to change the
(A) heat of reaction
(B) final products
(C) activation energy
(D) equilibrium constant
Ans: C
activation energy
Question: 2
Batch reactors are industrially used
(A) for conducting fermentation
(B) for production of fine chemicals
(C) for production of heavy chemicals
(D) when relatively small amount of materials are to be treated
Ans: A
for conducting fermentation
Question: 3
According to the ‘law of mass action’ the rate of reaction is directly proportional to the
(A) volume of the reaction vessel
(B) molar concentration of the reactants
(C) nature of the reactants
(D) equilibrium constant
Ans: B
molar concentration of the reactants
Question: 4
Rate of a chemical reaction is not influenced by the
(A) number of molecules of reactants taking part in a reaction
(B) catalyst
(C) temperature
(D) reactants concentration
Ans: A
number of molecules of reactants taking part in a reaction
Question: 5
In a semi-batch reactor
(A) residence time is constant
(B) maximum conversion can be controlled
(C) velocity of reaction can be controlled
(D) both the reactants flow counter currently
Ans: C
velocity of reaction can be controlled
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