Chemical Reaction Engineering & Reactor Design Objective Questions Pdf - 2

Question: 6

The rate of a homogeneous reaction is a function of

(A) pressure and composition only

(B) temperature and pressure only

(C) all temperature, pressure and composition

(D) temperature and composition only

Question: 7

Which of the following is an autocatalytic reaction?

(A) ammonia synthesis reaction

(B) enzyme fermentation reaction

(C) microbial fermentation reaction

(D) photochemical reactions

Question: 8

A catalyst

(A) cannot be recovered chemically unchanged at the end of a chemical reaction

(B) is capable of reacting with any one of the reactants

(C) lowers the activation energy of reacting molecules

(D) initiates a reaction

Question: 9

Photochemical reaction rate does not depend significantly on temperature, because

(A) the energy of reacting molecules exceeds the activation energy by absorption of light

(B) it is a reversible reaction

(C) it is an exothermic reaction

(D) none of these

Question: 10

The most suitable reactor for carrying out an auto-thermal reaction is a

(A) plug flow reactor

(B) semi-batch reactor

(C) CSTR

(D) batch reactor