Chemical Reaction Engineering What is the dispersion number for a CSTR? ∞ 0 < 1 1 ∞ 0 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction occurs, when the energy of the reacting molecules is __________ the activation energy of reaction. Equal to More than Less than Equal to or more than Equal to More than Less than Equal to or more than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following chemical reactions will be favoured by low pressure ? N₂ + O₂ ⇋ 2NO N₂O₂ ⇋ 2NO₂ 2HI ⇋ H₂ + I₂ None of these N₂ + O₂ ⇋ 2NO N₂O₂ ⇋ 2NO₂ 2HI ⇋ H₂ + I₂ None 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction Decreases the activation energy All of these Increases the frequency of collisions of reacting species Alters the reaction mechanism Decreases the activation energy All of these Increases the frequency of collisions of reacting species Alters the reaction mechanism ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion) Remains same Increases Increases linearly Decreases Remains same Increases Increases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
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