Chemical Reaction Engineering The vessel dispersion number (D/μL) for plug flow is 500 ∞ 750 500 ∞ 750 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a/an __________ reactor, there is exchange of heat with the surroundings with sizeable temperature variation. Isothermal None of these Non-adiabatic Adiabatic Isothermal None of these Non-adiabatic Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Velocity of reaction can be controlled Both the reactants flow counter-currently Residence time is constant Maximum conversion can be controlled Velocity of reaction can be controlled Both the reactants flow counter-currently Residence time is constant Maximum conversion can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Chemical reaction Pore diffusion Ash layer diffusion Film diffusion Chemical reaction Pore diffusion Ash layer diffusion Film diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalyst in a second order reversible reaction increases the rate of the forward reaction To a greater extent than that of the backward reaction And decreases that of backward reaction Only And backward reaction equally To a greater extent than that of the backward reaction And decreases that of backward reaction Only And backward reaction equally 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 1/(L√(K/D1)) L√(K/D1) ∞ 1 1/(L√(K/D1)) L√(K/D1) ANSWER DOWNLOAD EXAMIANS APP