Chemical Reaction Engineering Non-catalytic fluid-solid reactions are represented by __________ model. Continuous reaction Neither A and B Both A and B Unreacted core Continuous reaction Neither A and B Both A and B Unreacted core ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Independent of Proportional to the square of Inversely proportional to Proportional to Independent of Proportional to the square of Inversely proportional to Proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt In the reactor At the inlet At the outlet Averaged over the inlet and outlet In the reactor At the inlet At the outlet Averaged over the inlet and outlet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is > 1 ∞ 1 > 1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a reversible reaction, a catalyst increases the rate of forward reaction Only And the backward reaction equally And decreases that of the backward reaction To a greater extent than that of the backward reaction Only And the backward reaction equally And decreases that of the backward reaction To a greater extent than that of the backward reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for Non-isothermal gas reaction Variable fluid density systems Constant fluid density systems Gas reactions with changing no. of moles Non-isothermal gas reaction Variable fluid density systems Constant fluid density systems Gas reactions with changing no. of moles ANSWER DOWNLOAD EXAMIANS APP
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