Chemical Reaction Engineering A space time of 3 hours for a flow reactor means that It takes three hours to dump the entire volume of the reactor with feed Conversion is cent per cent after three hours Three reactor volumes of feed can be processed every hour The time required to process one reactor volume of feed (measured at specified conditions) is 3 hours It takes three hours to dump the entire volume of the reactor with feed Conversion is cent per cent after three hours Three reactor volumes of feed can be processed every hour The time required to process one reactor volume of feed (measured at specified conditions) is 3 hours ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An example of autothermal reactor operation is Ammonia synthesis Benzene oxidation Sulphur dioxide oxidation Ethylene oxidation Ammonia synthesis Benzene oxidation Sulphur dioxide oxidation Ethylene oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is > 1 ∞ 1 > 1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Pore diffusion All of these Decay reactions Form of surface attack by poison Pore diffusion All of these Decay reactions Form of surface attack by poison ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a/an __________ reactor, there is exchange of heat with the surroundings with sizeable temperature variation. Non-adiabatic None of these Adiabatic Isothermal Non-adiabatic None of these Adiabatic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Single tubular flow reactor (v = 5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single tubular flow reactor (v = 5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Stirred tank followed by tubular flow reactor (each of 2.5 litres) ANSWER DOWNLOAD EXAMIANS APP
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