Chemical Reaction Engineering A catalyst in a chemical reaction Alters the reaction mechanism All of these Decreases the activation energy Increases the frequency of collisions of reacting species Alters the reaction mechanism All of these Decreases the activation energy Increases the frequency of collisions of reacting species ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a homogeneous reaction is a function of Pressure and composition only Temperature and pressure only All of these Temperature and composition only Pressure and composition only Temperature and pressure only All of these Temperature and composition only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Maximum conversion can be controlled Both the reactants flow counter-currently Residence time is constant Velocity of reaction can be controlled Maximum conversion can be controlled Both the reactants flow counter-currently Residence time is constant Velocity of reaction can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Single stirred tank (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) Single stirred tank (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A plug-flow reactor is characterised by Presence of lateral mixing High capacity Constant composition and temperature of reaction mixture Presence of axial mixing Presence of lateral mixing High capacity Constant composition and temperature of reaction mixture Presence of axial mixing ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From among the following, choose one which is not an exothermic process. Ammonia synthesis Oxidation of sulphur Methanol synthesis Catalytic cracking Ammonia synthesis Oxidation of sulphur Methanol synthesis Catalytic cracking ANSWER DOWNLOAD EXAMIANS APP
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