1000+ Chemical Reaction Engineering Interview Questions & Answers Pdf - 2

Question: 6

The rate constant of a reaction is a function of the

(A) initial concentration of the reactants

(B) extent of reaction

(C) time of reaction

(D) temperature of the system

Ans: D

temperature of the system

Question: 7

The units of frequency factor in Arrhenius equation

(A) depend on temperature, pressure etc. of the reaction

(B) are cycles per unit time

(C) depend on the order of the reaction

(D) are the same as those of the rate constant

Ans: D

are the same as those of the rate constant

Question: 8

In case of _____ reactions, the reaction rate does not decrease appreciably as the reaction proceeds.

(A) auto catalytic

(B) series

(C) parallel

(D) catalytic

Ans: A

auto catalytic

Question: 9

The space time is equivalent to the holding time in a steady state mixed reactor for

(A) gas reactions with changing number of moles

(B) constant fluid density systems

(C) variable fluid density systems

(D) non-isothermal gas reaction

Ans: B

constant fluid density systems

Question: 10

Which of the following is a controlling factor in very fast heterogenous reaction?

(A) temperature

(B) composition of reactants

(C) pressure

(D) heat and mass transfer effects

Ans: D

heat and mass transfer effects

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