Chemical Reaction Engineering For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fluidised Fixed Fluidised bed reactor followed by a fixed Fixed bed reactor followed by a fluidised Fluidised Fixed Fluidised bed reactor followed by a fixed Fixed bed reactor followed by a fluidised ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is 1 Data insufficient, can't be predicted 0.33 0.5 1 Data insufficient, can't be predicted 0.33 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CaO is not dissociated Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ CaO is not dissociated Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Mean residence time is equal to the space time, when All of these The feed rate is measured at temperature and pressure in the reactor There is no change in number of moles in gaseous reaction The temperature, pressure and the density of reaction mixture remains constant throughout the reactor All of these The feed rate is measured at temperature and pressure in the reactor There is no change in number of moles in gaseous reaction The temperature, pressure and the density of reaction mixture remains constant throughout the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is ____________ (ii) (i) endothermic (ii) enodthermic (i) endothermic (ii) exothermic (i) exothermic (ii) endothermic (i) exothermic (ii) exothermic (i) endothermic (ii) enodthermic (i) endothermic (ii) exothermic (i) exothermic (ii) endothermic (i) exothermic (ii) exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Higher free energy of activation of a chemical reaction (at a given temperature) implies Higher equilibrium conversion Both B and C Slower rate of reaction Higher rate of reaction Higher equilibrium conversion Both B and C Slower rate of reaction Higher rate of reaction ANSWER DOWNLOAD EXAMIANS APP
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