Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by Large catalyst particle size All of these Small pore diameter An active surface of the catalyst Large catalyst particle size All of these Small pore diameter An active surface of the catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for Non-isothermal gas reaction Gas reactions with changing no. of moles Variable fluid density systems Constant fluid density systems Non-isothermal gas reaction Gas reactions with changing no. of moles Variable fluid density systems Constant fluid density systems ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst promoter All of these Improves the activity of a catalyst Itself has very high activity Acts as a catalyst support All of these Improves the activity of a catalyst Itself has very high activity Acts as a catalyst support ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Greater than Equal to Smaller than Unpredictable from the data Greater than Equal to Smaller than Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst. CO₂ N₂ H₂ He CO₂ N₂ H₂ He ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ 1/an - 1 T ∝ 1/an T ∝ 1/an + 1 T ∝ an T ∝ 1/an - 1 T ∝ 1/an T ∝ 1/an + 1 T ∝ an ANSWER DOWNLOAD EXAMIANS APP
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