Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ∝ CA Independent of temperature ∝ 1/CA None of these ∝ CA Independent of temperature ∝ 1/CA None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature. Is always greater than Is always less than Is always equal to May be greater or less than Is always greater than Is always less than Is always equal to May be greater or less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is Less More Either A or B, depends on other factors Same Less More Either A or B, depends on other factors Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Differential method for analysing the kinetic data is used None of these For testing complicated mechanisms When the data are scattered When rate expressions are very simple None of these For testing complicated mechanisms When the data are scattered When rate expressions are very simple ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Reduces the value of equilibrium constant Does not initiate the reaction All of these Retards the rate of reaction Reduces the value of equilibrium constant Does not initiate the reaction All of these Retards the rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) Tan T/T Tan hT/tan T Tan hT/T None of these Tan T/T Tan hT/tan T Tan hT/T None of these ANSWER DOWNLOAD EXAMIANS APP
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