Chemical Reaction Engineering Oil is hydrogenated using nickel catalyst in a __________ reactor. Slurry Batch Fixed bed Fluidised bed Slurry Batch Fixed bed Fluidised bed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) None of these Tan hT/tan T Tan T/T Tan hT/T None of these Tan hT/tan T Tan T/T Tan hT/T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Backmixing is most predominant in A well stirred batch reactor A plug-flow reactor CSTR's connected in series A single CSTR A well stirred batch reactor A plug-flow reactor CSTR's connected in series A single CSTR 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 CSTR Same in both the reactors Higher in P.F. reactor Data insufficient; can't be predicted Higher in CSTR Same in both the reactors Higher in P.F. reactor Data insufficient; can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion) Decreases Remains same Increases linearly Increases Decreases Remains same Increases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Ash layer diffusion Film diffusion Chemical reaction Pore diffusion Ash layer diffusion Film diffusion Chemical reaction Pore diffusion ANSWER DOWNLOAD EXAMIANS APP
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