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 Smaller than Greater than Equal to Unpredictable from the data Smaller than Greater than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A back mix reactor is Ideal at very low conversion Same as plug flow reactor (PFR) Suitable for gas phase reactions Same as ideal stirred tank reactor Ideal at very low conversion Same as plug flow reactor (PFR) Suitable for gas phase reactions Same as ideal stirred tank reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes are destroyed, when the Reaction rate is independent of the reactant's concentration Reactant's concentration is very low Reactant's concentration is very high Temperature is very high Reaction rate is independent of the reactant's concentration Reactant's concentration is very low Reactant's concentration is very high Temperature is very high ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the hydrodealkylation of toluene to benzene, the following reactions occur:C₇H₈ + H₂ → C₆H₆ + CH₄2C₆H₆ ⇋ C₁₂H₁₀ + H₂Toluene and hydrogen are fed to a reactor in a molar ratio 1:5.80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is 0.144 0.152 0.136 0.16 0.144 0.152 0.136 0.16 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Increases Decreases exponentially Can either increase or decrease ; depends on the frequency factor Decreases Increases Decreases exponentially Can either increase or decrease ; depends on the frequency factor Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to None of these Lose a proton Lose an electron Gain a proton None of these Lose a proton Lose an electron Gain a proton ANSWER DOWNLOAD EXAMIANS APP
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