Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Always irreversible Mostly irreversible Insensitive to temperature changes Highly temperature sensitive Always irreversible Mostly irreversible Insensitive to temperature changes Highly temperature sensitive ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is ____________ (ii) (i) exothermic (ii) exothermic (i) exothermic (ii) endothermic (i) endothermic (ii) exothermic (i) endothermic (ii) enodthermic (i) exothermic (ii) exothermic (i) exothermic (ii) endothermic (i) endothermic (ii) exothermic (i) endothermic (ii) enodthermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The role of a catalyst in a chemical reaction is to change the Activation energy Final products Equilibrium constant Heat of reaction Activation energy Final products Equilibrium constant Heat of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For all positive reaction orders for a particular duty, Reactor size is independent of the type of flow Mixed reactor is always larger than the plug-flow reactor Density variation during reaction affects design Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Reactor size is independent of the type of flow Mixed reactor is always larger than the plug-flow reactor Density variation during reaction affects design Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are Of different sizes None of these Of such size that the ratio of their volumes is < 5 Equal in size Of different sizes None of these Of such size that the ratio of their volumes is < 5 Equal in size ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature? Time Diameter of the reactor None of these Useful volume of the tank Time Diameter of the reactor None of these Useful volume of the tank ANSWER DOWNLOAD EXAMIANS APP
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