Chemical Reaction Engineering Reaction rate of a first order reaction, which is half completed in 23 minutes will be 0.05 min⁻¹ 0.03 hr⁻¹ 0.03 min⁻¹ 0.03 sec⁻¹ 0.05 min⁻¹ 0.03 hr⁻¹ 0.03 min⁻¹ 0.03 sec⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Diffusion through ash layer Chemical reaction Film diffusion Either A, B or C Diffusion through ash layer Chemical reaction Film diffusion Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Volume of the reactor Total pressure of the system Initial concentration of N₂ and H₂ Temperature Volume of the reactor Total pressure of the system Initial concentration of N₂ and H₂ Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In Langmuir treatment of adsorption, All the adsorption does not take place by the same mechanism Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Extent of adsorption is more than one complete monomolecular layer on the surface All the adsorption does not take place by the same mechanism Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site Extent of adsorption is more than one complete monomolecular layer on the surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be Higher in P.F. reactor Same in both the reactors Higher in CSTR Data insufficient; can't be predicted Higher in P.F. reactor Same in both the reactors Higher in CSTR Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the All of these Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor Space time is equivalent to holding time for constant density systems All of these Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor Space time is equivalent to holding time for constant density systems ANSWER DOWNLOAD EXAMIANS APP