Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ∝ 1/CA ∝ CA None of these Independent of temperature ∝ 1/CA ∝ CA None of these Independent of temperature ANSWER DOWNLOAD EXAMIANS APP
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 High temperature in a PFR High temperature in a CSTR Low temperature in a PFR Low temperature in a CSTR High temperature in a PFR High temperature in a CSTR Low temperature in a PFR Low temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α eE/RT K α √T . e-E/RT K α e-E/RT K α T . e-E/RT K α eE/RT K α √T . e-E/RT K α e-E/RT K α T . e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature? Useful volume of the tank None of these Diameter of the reactor Time Useful volume of the tank None of these Diameter of the reactor Time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a catalyst increases the rate of forward reaction, the value of rate constant Remain same Becomes infinite Increases Decreases Remain same Becomes infinite Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Internal surface area is utilised efficiently Porosity is of less importance Porosity is very important None of these Internal surface area is utilised efficiently Porosity is of less importance Porosity is very important None of these ANSWER DOWNLOAD EXAMIANS APP
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