Chemical Reaction Engineering __________ catalytic reaction is involved in the thermal cracking of gas oil. Heterogeneous Heterogeneous non Homogeneous Homogeneous non Heterogeneous Heterogeneous non Homogeneous Homogeneous non 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? There is no dynamic equilibrium between successive layer 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 None of these There is no dynamic equilibrium between successive layer 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 0.693/K 6.93 K 1.5 K 2.5 K 0.693/K 6.93 K 1.5 K 2.5 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Knudsen diffusion is directly proportional to 1/√T √T T T₂ 1/√T √T T T₂ 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? None of these Langmuir adsorption isotherm Freundlich adsorption isotherm Adsorption isobar None of these Langmuir adsorption isotherm Freundlich adsorption isotherm Adsorption isobar ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of chemical reaction, the rate constant Remains constant Increases Becomes infinite Decreases Remains constant Increases Becomes infinite Decreases ANSWER DOWNLOAD EXAMIANS APP