Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at Low temperature in a CSTR High temperature in a CSTR Low temperature in a PFR High temperature in a PFR Low temperature in a CSTR High temperature in a CSTR Low temperature in a PFR High temperature in a PFR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space time in flow reactor is The reciprocal of the space velocity Usually equal to the residence time Both A and B A measure of its capacity The reciprocal of the space velocity Usually equal to the residence time Both A and B A measure of its capacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by All of these Small pore diameter An active surface of the catalyst Large catalyst particle size All of these Small pore diameter An active surface of the catalyst Large catalyst particle size ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter is added to the catalyst to improve its Porosity Surface area None of these Sensitivity Porosity Surface area None of these Sensitivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption. Chemical Physical Both A and B Neither A nor B Chemical Physical Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will favour the reverse reaction in a chemical equilibrium reaction? None of these Increasing the concentration of one of the reactants Removal of at least one of the products at regular interval Increasing the concentration of one or more of the products None of these Increasing the concentration of one of the reactants Removal of at least one of the products at regular interval Increasing the concentration of one or more of the products ANSWER DOWNLOAD EXAMIANS APP
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