Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction Microbial fermentation reaction Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction Microbial fermentation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a first order irreversible reaction A → B is Ln 2/k Ln 0.5/k K/2 Ln k/2 Ln 2/k Ln 0.5/k K/2 Ln k/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The use of space time is preferred over the mean residence time in the design of a/an Batch reactor Slurry reactor CSTR Ideal tubular-flow reactor Batch reactor Slurry reactor CSTR Ideal tubular-flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Litre/mole Litre/mole.second Litre/second Moles/litre.second Litre/mole Litre/mole.second Litre/second Moles/litre.second ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of E/R is 9210°K 8621°K 8764°K 8987°K 9210°K 8621°K 8764°K 8987°K ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS