Chemical Reaction Engineering Space time in flow reactor is A measure of its capacity The reciprocal of the space velocity Both A and B Usually equal to the residence time A measure of its capacity The reciprocal of the space velocity Both A and B Usually equal to the residence time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst is said to be a negative catalyst, ifit Does not initiate the reaction Retards the rate of reaction All of these Reduces the value of equilibrium constant Does not initiate the reaction Retards the rate of reaction All of these Reduces the value of equilibrium constant 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
Chemical Reaction Engineering Promoter. Initiates a chemical reaction and is a catalyst by itself All of these Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Atlers the position of equilibrium in a reversible reaction Initiates a chemical reaction and is a catalyst by itself All of these Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Atlers the position of equilibrium in a reversible reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? Second Zero Third First Second Zero Third First ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Smaller reactor followed by larger one Large reactor followed by smaller one Data insufficient, can Either of the arrangement A or B will give the same yield Smaller reactor followed by larger one Large reactor followed by smaller one Data insufficient, can Either of the arrangement A or B will give the same yield ANSWER DOWNLOAD EXAMIANS APP