Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for Gas reactions with changing no. of moles Variable fluid density systems Constant fluid density systems Non-isothermal gas reaction Gas reactions with changing no. of moles Variable fluid density systems Constant fluid density systems Non-isothermal gas reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal plug flow reactor, the value of Peclet number is 0 1 ∞ 10 0 1 ∞ 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The gas phase reaction 2A ⇋ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is 43898 43833 43864 43959 43898 43833 43864 43959 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Time required for 50% decomposition of a liquid in an isothermal batch reactor following first order kinetics is 2 minutes. The time required for 75% decomposition will be about __________ minutes. 3 6 8 4 3 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Differential method for analysing the kinetic data is used When the data are scattered None of these For testing complicated mechanisms When rate expressions are very simple When the data are scattered None of these For testing complicated mechanisms When rate expressions are very simple ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CO₂ escapes continuously CaO is more stable than CaCO₃ Of high calcination temperature CaO is not dissociated CO₂ escapes continuously CaO is more stable than CaCO₃ Of high calcination temperature CaO is not dissociated ANSWER DOWNLOAD EXAMIANS APP