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 Mostly irreversible Highly temperature sensitive Insensitive to temperature changes Always irreversible Mostly irreversible Highly temperature sensitive Insensitive to temperature changes Always irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called Selectivity Relative yield None of these Operational yield Selectivity Relative yield None of these Operational yield ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An example of autothermal reactor operation is Sulphur dioxide oxidation Benzene oxidation Ethylene oxidation Ammonia synthesis Sulphur dioxide oxidation Benzene oxidation Ethylene oxidation Ammonia synthesis ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is Data insufficient to calculate 0.875 0.425 0.5 Data insufficient to calculate 0.875 0.425 0.5 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? None of these Time Useful volume of the tank Diameter of the reactor None of these Time Useful volume of the tank Diameter of the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides Higher overall selectivity for a first order consecutive reaction All of these More uniform operating conditions Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction All of these More uniform operating conditions Permits operation at the optimum temperature for a long reaction time ANSWER DOWNLOAD EXAMIANS APP
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