Chemical Reaction Engineering Catalyst carriers Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity Increase the activity of a catalyst Provide large surface area with a small amount of active material Inhibit catalyst poisoning Have very high selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called Operational yield Relative yield None of these Selectivity Operational yield Relative yield None of these Selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Ash resistance Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Ash resistance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The performance equations for constant density systems are identical for P.F.R. and batch reactor P.F.R. and backmix reactor P.F.R, batch reactor and backmix reactor Batch reactor and backmix reactor P.F.R. and batch reactor P.F.R. and backmix reactor P.F.R, batch reactor and backmix reactor Batch reactor and backmix reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Organic catalysts differ from the inorganic catalyst in the sense that the former is Prohibitively costly Active at very high temperature only Proteinous in nature Active at cryogenic temperatures only Prohibitively costly Active at very high temperature only Proteinous in nature Active at cryogenic temperatures only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following chemical reactions will be favoured by low pressure ? 2HI ⇋ H₂ + I₂ N₂O₂ ⇋ 2NO₂ None of these N₂ + O₂ ⇋ 2NO 2HI ⇋ H₂ + I₂ N₂O₂ ⇋ 2NO₂ None of these N₂ + O₂ ⇋ 2NO ANSWER DOWNLOAD EXAMIANS APP
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