Chemical Reaction Engineering The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Unpredictable from the data Equal to Greater than Smaller than Unpredictable from the data Equal to Greater than Smaller than 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 Data insufficient, can't be predicted 0.33 1 0.5 Data insufficient, can't be predicted 0.33 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A rise in temperature Does not affect a catalysed reaction Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate All of these Does not affect a catalysed reaction Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CaO is not dissociated CaO is more stable than CaCO₃ Of high calcination temperature CO₂ escapes continuously CaO is not dissociated CaO is more stable than CaCO₃ Of high calcination temperature CO₂ escapes continuously ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a controlling factor in very fast heterogeneous reaction? Composition of reactant Pressure Heat and mass transfer effects Temperature Composition of reactant Pressure Heat and mass transfer effects Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Non-catalytic fluid-solid reactions are represented by __________ model. Both A and B Neither A and B Continuous reaction Unreacted core Both A and B Neither A and B Continuous reaction Unreacted core ANSWER DOWNLOAD EXAMIANS APP
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