Chemical Reaction Engineering Half-life period for a first order reaction is __________ the initial concentration of the reactant. Independent of None of these Inversely proportional to Directly proportional to Independent of None of these Inversely proportional to Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Ionic reactions occur in Solutions Solid state only Any state Liquid state only Solutions Solid state only Any state Liquid state only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2.5 1.6 2 2.24 2.5 1.6 2 2.24 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 5/3 kW 4kW 2/3 kW 1kW 5/3 kW 4kW 2/3 kW ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fixed bed reactor followed by a fluidised Fluidised bed reactor followed by a fixed Fluidised Fixed Fixed bed reactor followed by a fluidised Fluidised bed reactor followed by a fixed Fluidised Fixed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a characteristic of an ideal plug flow reactor? Uniform mixing Axial dispersion Flat velocity profile None of these Uniform mixing Axial dispersion Flat velocity profile None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS