Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Logarithmically with time Very abruptly towards the end of the reaction Linearly with time Exponentially with time Logarithmically with time Very abruptly towards the end of the reaction Linearly with time Exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CA0 = CB0 CA0 > CB0 CB0 ≥ CB0 CB0 > CA0 CA0 = CB0 CA0 > CB0 CB0 ≥ CB0 CB0 > CA0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space time equals the mean residence time For large diameter tubular reactor When the density of the reaction mixture is constant For CSTR For narrow diameter tubular reactor For large diameter tubular reactor When the density of the reaction mixture is constant For CSTR For narrow diameter tubular reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is PFR in series Plug flow reactor Backmix reactor Series of CSTR PFR in series Plug flow reactor Backmix reactor Series of CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus is used to determine the Pore size distribution Pore diameter Specific surface of a porous catalyst Porosity of the catalyst bed Pore size distribution Pore diameter Specific surface of a porous catalyst Porosity of the catalyst bed 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 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 At low P and low T At high P and high T ANSWER DOWNLOAD EXAMIANS APP
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