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 three reactor volumes of feed at specified conditions are being fed into the reactor every hour 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 unit of space velocity is (time)⁻¹ None of these 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 space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Molecularity of an elementary reaction, P + Q → R + S is 1 3 2 4 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Surface area Porosity Pore volume Both B & C Surface area Porosity Pore volume Both B & C 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 Fluidised bed reactor Fixed bed reactor None of these Moving bed reactor Fluidised bed reactor Fixed bed reactor None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in Saliva Intestine Blood Gland Saliva Intestine Blood Gland ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the Reaction rate is trebled when the initial concentration is trebled Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration Time for half change is half the time taken for completion of the reaction ANSWER DOWNLOAD EXAMIANS APP
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