Chemical Reaction Engineering Which of the following is used for calcination of limestone and dolomite in industrial practice? Fixed bed reactor None of these Moving bed reactor Fluidised bed reactor Fixed bed reactor None of these Moving bed reactor Fluidised bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂. Increase Unpredictable from the data Decrease No change Increase Unpredictable from the data Decrease No change ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The exit age distribution of fluid leaving a vessel is used to know the Extent of non-ideal flow in the vessel Activation energies of a reaction Reaction mechanism None of these Extent of non-ideal flow in the vessel Activation energies of a reaction Reaction mechanism None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ∝ 1/CA ∝ CA Independent of temperature None of these ∝ 1/CA ∝ CA Independent of temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C. 112 612 512 256 112 612 512 256 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? 2.24 1.6 2.5 2 2.24 1.6 2.5 2 ANSWER DOWNLOAD EXAMIANS APP
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