Chemical Reaction Engineering Reactions with high activation energy are Always irreversible Always reversible Temperature insensitive Very temperature sensitive Always irreversible Always reversible Temperature insensitive Very temperature sensitive ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Ionic reactions occur in Any state Solutions Liquid state only Solid state only Any state Solutions Liquid state only Solid state only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to D D2 √d D1.5 D D2 √d D1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. All of these Poor product quality control High shutdown time requirement for emptying, cleaning and refilling High labour and handling cost All of these Poor product quality control High shutdown time requirement for emptying, cleaning and refilling High labour and handling cost ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a continuous flow stirred tank reactor, the composition of the exit stream Is different than that in the reactor Is same as that in the reactor None of these Depends upon the flow rate of inlet stream Is different than that in the reactor Is same as that in the reactor None of these Depends upon the flow rate of inlet stream ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at Low temperature in a CSTR High temperature in a CSTR High temperature in a PFR Low temperature in a PFR Low temperature in a CSTR High temperature in a CSTR High temperature in a PFR Low temperature in a PFR ANSWER DOWNLOAD EXAMIANS APP
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