Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. > 0.5 0 ∞ < 0.5 > 0.5 0 ∞ < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An example of autothermal reactor operation is Sulphur dioxide oxidation Benzene oxidation Ammonia synthesis Ethylene oxidation Sulphur dioxide oxidation Benzene oxidation Ammonia synthesis Ethylene oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a continuous flow stirred tank reactor, the composition of the exit stream Depends upon the flow rate of inlet stream Is different than that in the reactor Is same as that in the reactor None of these Depends upon the flow rate of inlet stream Is different than that in the reactor Is same as that in the reactor None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if A catalyst is added An inert gas is pumped keeping the temperature constant None of these The temperature is increased A catalyst is added An inert gas is pumped keeping the temperature constant None of these The temperature is increased ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Independent of Proportional to Proportional to the square of Inversely proportional to Independent of Proportional to Proportional to the square of Inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CaO is more stable than CaCO₃ Of high calcination temperature CO₂ escapes continuously CaO is not dissociated CaO is more stable than CaCO₃ Of high calcination temperature CO₂ escapes continuously CaO is not dissociated ANSWER DOWNLOAD EXAMIANS APP
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