Chemical Reaction Engineering Semibatch reactor is preferred, when a/an Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A highly exothermic reaction is to be controlled All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A highly exothermic reaction is to be controlled All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reason why a catalyst increases the rate of reaction is that, it Increases the activation energy Decreases the molecular collision diameter Decreases the energy barrier for reaction None of these Increases the activation energy Decreases the molecular collision diameter Decreases the energy barrier for reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Most suitable for very large production rate Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate Least expensive to operate for a given rate Suitable for liquid phase reactions involving small production rate Suitable for gas-phase reactions on commercial scale ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The sequence in which three CSTR's of volumes 5, 10 and 15 m³ will be connected in series to obtain the maximum production in a second order irreversible reaction is 10, 15, 5 15, 10, 5 5, 10, 15 10, 5, 15 10, 15, 5 15, 10, 5 5, 10, 15 10, 5, 15 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The following gas phase reactions are carried out isothermally in a CSTR.A → 2R ; r₁ = K₁pA ;K₁ = 20mole/(sec.m³ bar)A → 3S ; r₂ = K₂ pA ;K₂ = 40mole/ (sec.m³ .bar)What is the maximum possible value of FR(mole/sec.) ? 43864 2 43832 43833 43864 2 43832 43833 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison. Deposited Stability Selectivity Chemisorbed Deposited Stability Selectivity Chemisorbed ANSWER DOWNLOAD EXAMIANS APP
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