Chemical Reaction Engineering A high space velocity means that a given Both A and B None of these Reaction can be accomplished with small reactor Conversion can be obtained with a high feed rate Both A and B None of these Reaction can be accomplished with small reactor Conversion can be obtained with a high feed rate ANSWER DOWNLOAD EXAMIANS APP
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)) 1 L√(K/D1) ∞ 1/(L√(K/D1)) 1 L√(K/D1) ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The value of steric factor 'P' in the equation k = PZeE/RT usually ranges from L.l.to 10² L.0 to 10⁻⁸ None of these 0.1 to 0.9 L.l.to 10² L.0 to 10⁻⁸ None of these 0.1 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 1.6 2 2.24 2.5 1.6 2 2.24 2.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Semibatch reactor is preferred, when a/an All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) A highly exothermic reaction is to be controlled Undersirable side reaction (at high concentration of one of the reactants) is to be avoided All of these A gas is to be reacted with liquid (e.g. hydrogenation of fat) A highly exothermic reaction is to be controlled Undersirable side reaction (at high concentration of one of the reactants) is to be avoided ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line? XA Vs . τ XA(1 - XA)Vs τ XA/(1 - XA)Vs τ XA Vs ln τ XA Vs . τ XA(1 - XA)Vs τ XA/(1 - XA)Vs τ XA Vs ln τ ANSWER DOWNLOAD EXAMIANS APP
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