Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. First Second None of these Zero First Second None of these Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a characteristic of an ideal plug flow reactor? Uniform mixing Axial dispersion None of these Flat velocity profile Uniform mixing Axial dispersion None of these Flat velocity profile ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ > 0.5 0 < 0.5 ∞ > 0.5 0 < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Increases Decreases Decreases exponentially Can either increase or decrease ; depends on the frequency factor Increases Decreases Decreases exponentially Can either increase or decrease ; depends on the frequency factor 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 equal to May be greater or less than Is always less than Is always greater than Is always equal to May be greater or less than Is always less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The decomposition of A into B is represented by the exothermic reaction, A ⇋ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction. At low P and low T At high P and high T At low P and high T At high P and low T At low P and low T At high P and high T At low P and high T At high P and low T ANSWER DOWNLOAD EXAMIANS APP
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