Chemical Reaction Engineering The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the Larger reactors have more space time compared to smaller ones Space time for each parallel line is same Space time for parallel lines is different None of these Larger reactors have more space time compared to smaller ones Space time for each parallel line is same Space time for parallel lines is different None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fluidised Fixed Fluidised bed reactor followed by a fixed Fixed bed reactor followed by a fluidised Fluidised Fixed Fluidised bed reactor followed by a fixed Fixed bed reactor followed by a fluidised 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 2.24 2.5 1.6 2 2.24 2.5 1.6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The value of 'n' for a chemical reaction A → B, whose reaction rate is → CAn, will be __________ if the rate of the reaction increases by a factor of 8, when the concentration of is doubled. 2 3 1 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of chemical reaction, the rate constant Increases Remains constant Decreases Becomes infinite Increases Remains constant Decreases Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The residence time distribution of an ideal CSTR is 1/τ (-t/τ) Τ exp (-t/τ) Exp(-t/τ) 1/τ exp (-t/τ) 1/τ (-t/τ) Τ exp (-t/τ) Exp(-t/τ) 1/τ exp (-t/τ) ANSWER DOWNLOAD EXAMIANS APP