Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. < 0.5 ∞ 0 > 0.5 < 0.5 ∞ 0 > 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Have very high selectivity Provide large surface area with a small amount of active material Inhibit catalyst poisoning Increase the activity of a catalyst Have very high selectivity Provide large surface area with a small amount of active material Inhibit catalyst poisoning Increase the activity of a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Holding time for flow reactors is __________ the space time, for constant fluid density Double None of these Triple Equal to Double None of these Triple Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction. None of these Consecutive Zero order Third order None of these Consecutive Zero order Third order ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is 0.5 0.33 Data insufficient, can't be predicted 1 0.5 0.33 Data insufficient, can't be predicted 1 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
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