Chemical Reaction Engineering A plug-flow reactor is characterised by High capacity Constant composition and temperature of reaction mixture Presence of lateral mixing Presence of axial mixing High capacity Constant composition and temperature of reaction mixture Presence of lateral mixing Presence of axial mixing ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor? Very low temperature should be used throughout the reaction Very high temperature should be used throughout the reaction Temperature should be high in the beginning and decreased towards the end of the reaction None of these Very low temperature should be used throughout the reaction Very high temperature should be used throughout the reaction Temperature should be high in the beginning and decreased towards the end of the reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From among the following, choose one which is not an exothermic process. Methanol synthesis Catalytic cracking Oxidation of sulphur Ammonia synthesis Methanol synthesis Catalytic cracking Oxidation of sulphur Ammonia synthesis ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch adiabatic reactor at an initial temperature of 373°K is being used for the reaction, A → B. Assume the heat of reaction is - 1kJ/mole at 373°K and heat capacity of both A and B to be constant and equal to 50J/mole.K. The temperature rise after a conversion of 0.5 will be 20°C 5°C 10°C 100°C 20°C 5°C 10°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called Fungi None of these Haemoglobin A ferment or an enzyme Fungi None of these Haemoglobin A ferment or an enzyme ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Inhibit catalyst poisoning Have very high selectivity Provide large surface area with a small amount of active material Increase the activity of a catalyst Inhibit catalyst poisoning Have very high selectivity Provide large surface area with a small amount of active material Increase the activity of a catalyst ANSWER DOWNLOAD EXAMIANS APP
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