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) L√(K/D1) ∞ 1 1/(L√(K/D1)) L√(K/D1) ∞ 1 1/(L√(K/D1)) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a characteristic of an ideal plug flow reactor? Uniform mixing None of these Flat velocity profile Axial dispersion Uniform mixing None of these Flat velocity profile Axial dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 4 16 8 2 4 16 8 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because It is a reversible reaction It is an exothermic reaction The energy of reacting molecules exceeds the activation energy by absorption of light None of these It is a reversible reaction It is an exothermic reaction The energy of reacting molecules exceeds the activation energy by absorption of light None of these 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 None of these A catalyst is added The temperature is increased An inert gas is pumped keeping the temperature constant None of these A catalyst is added The temperature is increased An inert gas is pumped keeping the temperature constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy. Potential Threshold Binding Activation Potential Threshold Binding Activation ANSWER DOWNLOAD EXAMIANS APP
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