Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Is greater than Equals Is smaller than Can be either greater or smaller than (depends on the type of reaction) Is greater than Equals Is smaller than Can be either greater or smaller than (depends on the type of reaction) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The units of frequency factor in Arhenious equation Depend on the order of the reaction Are the same as those of the rate constant Depend on temperature, pressure etc. of the reaction Are cycles per unit time Depend on the order of the reaction Are the same as those of the rate constant Depend on temperature, pressure etc. of the reaction Are cycles per unit time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For multiple reactions, the flow pattern within the vessel affects the Size requirement Both A and B Distribution of reaction products Neither A nor B Size requirement Both A and B Distribution of reaction products Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following curves shows the effect of temperature on the extent of gas-solid adsorption at a given pressure? Adsorption isobar None of these Langmuir adsorption isotherm Freundlich adsorption isotherm Adsorption isobar None of these Langmuir adsorption isotherm Freundlich adsorption isotherm ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation? Langmuir The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process There is no dynamic equilibrium between successive layer None of these Langmuir The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process There is no dynamic equilibrium between successive layer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ 0 < 0.5 > 0.5 ∞ 0 < 0.5 > 0.5 ANSWER DOWNLOAD EXAMIANS APP
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