Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) None of these ∝ 1/CA Independent of temperature ∝ CA None of these ∝ 1/CA Independent of temperature ∝ CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Microbial fermentation reaction Photochemical reactions Ammonia synthesis reaction Enzyme fermentation reaction Microbial fermentation reaction Photochemical reactions Ammonia synthesis reaction Enzyme fermentation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy balance equation over a tubular reactor under transient conditions is A non-linear partial differential equation An algebric differential equation An ordinary non-linear differential equation A linear partial differential equation A non-linear partial differential equation An algebric differential equation An ordinary non-linear differential equation A linear partial differential equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A CSTR is to be designed in which an exothermic liquid phase first order reaction of the type, A → R, is taking place. The reactor is to be provided with a jacket in which coolant is flowing. Following data is given: CA0= 5 kmole/m³ ; XA = 0.5; Feed temperature = reactor temperature = 40°C. Rate constant at 40°C = 1 min⁻¹ ; (ΔH) = - 40kJ/mole; ρ = 1000kg/m³ CP = 4 J/gm.°C ; q = 10⁻³ m³/min (ρ and CP are same for the reactant and product streams). The amount of heat to be removed is 1kW 2/3 kW 5/3 kW 4kW 1kW 2/3 kW 5/3 kW 4kW ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. 1000 100000 10000 100 1000 100000 10000 100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature. Rate constant Rate of reaction Frequency factor Activation energy Rate constant Rate of reaction Frequency factor Activation energy ANSWER DOWNLOAD EXAMIANS APP