Chemical Reaction Engineering A catalyst loses its activity due to All of these Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component All of these Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant Decreases with pressure Is independent of pressure Increases with pressure Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction Decreases with pressure Is independent of pressure Increases with pressure Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? CA0 Vs ln t1/2 Ln CA0 Vs ln t1/2 Ln CA0 Vs t1/2 CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs ln t1/2 Ln CA0 Vs t1/2 CA0 Vs t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Holding time for flow reactors is __________ the space time, for constant fluid density Double Equal to None of these Triple Double Equal to None of these Triple ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the equilibrium conversion of a reversible exothermic reaction Decreases linearily with temperature Remains unaffected Increases Decreases Decreases linearily with temperature Remains unaffected Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not influenced by the Reactants concentration Number of molecules of reactants taking part in a reaction Temperature Catalyst Reactants concentration Number of molecules of reactants taking part in a reaction Temperature Catalyst ANSWER DOWNLOAD EXAMIANS APP
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