Chemical Reaction Engineering Reaction rate of a first order reaction, which is half completed in 23 minutes will be 0.05 min⁻¹ 0.03 min⁻¹ 0.03 sec⁻¹ 0.03 hr⁻¹ 0.05 min⁻¹ 0.03 min⁻¹ 0.03 sec⁻¹ 0.03 hr⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have Low CA, high CB High CA, low CB High CA, high CB Low CA, low CB Low CA, high CB High CA, low CB High CA, high CB Low CA, low CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2 1.6 2.5 2.24 2 1.6 2.5 2.24 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The unit of space velocity is (time)⁻¹ None of these The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The unit of space velocity is (time)⁻¹ None of these The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is used for calcination of limestone and dolomite in industrial practice? Moving bed reactor None of these Fixed bed reactor Fluidised bed reactor Moving bed reactor None of these Fixed bed reactor Fluidised bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Radioactive decay follows __________ order kinetics. First Zero Third Second First Zero Third Second ANSWER DOWNLOAD EXAMIANS APP
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