Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the Exit stream has the same composition as the fluid within the reactor All of these Composition throughout the reactor remains same Space time is equivalent to holding time for constant density systems Exit stream has the same composition as the fluid within the reactor All of these Composition throughout the reactor remains same Space time is equivalent to holding time for constant density systems 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. Decrease Unpredictable from the data No change Increase Decrease Unpredictable from the data No change Increase 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? 1.6 2.24 2 2.5 1.6 2.24 2 2.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Form of surface attack by poison Pore diffusion Decay reactions All of these Form of surface attack by poison Pore diffusion Decay reactions All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalytic converter for conversion of SO₂ to SO₃ by contact process should have a feed with SO₂ content between 2-5% 12-15% 20-25% 7-10% 2-5% 12-15% 20-25% 7-10% ANSWER DOWNLOAD EXAMIANS APP
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 Insensitive to temperature changes Mostly irreversible Highly temperature sensitive Always irreversible Insensitive to temperature changes Mostly irreversible Highly temperature sensitive Always irreversible ANSWER DOWNLOAD EXAMIANS APP
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