Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Porosity Pore volume Both B & C Surface area Porosity Pore volume Both B & C Surface area 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? Pore diffusion Film diffusion Chemical reaction Ash layer diffusion Pore diffusion Film diffusion Chemical reaction Ash layer diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected Decreases Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carrier in a catalyst increases its None of these Activity Performance Surface area None of these Activity Performance Surface area ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED)/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion ED/2 (E + ED)/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion ED/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving None of these Manufacture of carbon disulphide from elements Roasting of sulphide ores Combustion of coal particles None of these Manufacture of carbon disulphide from elements Roasting of sulphide ores Combustion of coal particles ANSWER DOWNLOAD EXAMIANS APP
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