Chemical Reaction Engineering Which of the following is a controlling factor in very fast heterogeneous reaction? Heat and mass transfer effects Composition of reactant Temperature Pressure Heat and mass transfer effects Composition of reactant Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Two stirred tank (each of 2.5 litres) in series Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Single tubular flow reactor (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 stirred tank (v = 5 litres) Single tubular flow reactor (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a P.F.R., there Both A and B May be lateral mixing of fluid Should not be any mixing along the flow path Neither A nor B Both A and B May be lateral mixing of fluid Should not be any mixing along the flow path Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases. Remains unaffected Increases Unpredictable from the data Decreases Remains unaffected Increases Unpredictable from the data Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Can either increase or decrease ; depends on the frequency factor Decreases exponentially Increases Decreases Can either increase or decrease ; depends on the frequency factor Decreases exponentially Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the Space time is equivalent to holding time for constant density systems Composition throughout the reactor remains same All of these Exit stream has the same composition as the fluid within the reactor Space time is equivalent to holding time for constant density systems Composition throughout the reactor remains same All of these Exit stream has the same composition as the fluid within the reactor ANSWER DOWNLOAD EXAMIANS APP
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