Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) ∞ 1/(L√(K/D1)) L√(K/D1) 1 ∞ 1/(L√(K/D1)) L√(K/D1) 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not affected by the Number of molecules of reactants taking part in the reaction Temperature Catalyst Reactant's concentration Number of molecules of reactants taking part in the reaction Temperature Catalyst Reactant's concentration 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 Less than Equal to or more than More than Equal to Less than Equal to or more than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if The temperature is increased None of these An inert gas is pumped keeping the temperature constant A catalyst is added The temperature is increased None of these An inert gas is pumped keeping the temperature constant A catalyst is added ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering N' plug flow reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for __________ order reactions. Second First Third Any Second First Third Any ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Large reactor followed by smaller one Data insufficient, can Either of the arrangement A or B will give the same yield Smaller reactor followed by larger one Large reactor followed by smaller one Data insufficient, can Either of the arrangement A or B will give the same yield Smaller reactor followed by larger one ANSWER DOWNLOAD EXAMIANS APP
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