Chemical Reaction Engineering The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is Backmix reactor Plug flow reactor Series of CSTR PFR in series Backmix reactor Plug flow reactor Series of CSTR PFR in series 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? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A rise in temperature All of these Normally tends to increase the reaction rate Does not affect photo-chemical reaction rates Does not affect a catalysed reaction All of these Normally tends to increase the reaction rate Does not affect photo-chemical reaction rates Does not affect a catalysed reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Equals Is smaller than Is greater than Can be either greater or smaller than (depends on the type of reaction) Equals Is smaller than Is greater than Can be either greater or smaller than (depends on the type of reaction) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A plug-flow reactor is characterised by Constant composition and temperature of reaction mixture Presence of axial mixing High capacity Presence of lateral mixing Constant composition and temperature of reaction mixture Presence of axial mixing High capacity Presence of lateral mixing ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by E-t/τ/T 1 - e-t/τ 1 - (e-t/τ/T) E-t/τ E-t/τ/T 1 - e-t/τ 1 - (e-t/τ/T) E-t/τ ANSWER DOWNLOAD EXAMIANS APP
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