Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Ash layer diffusion Film diffusion Chemical reaction Pore diffusion Ash layer diffusion Film diffusion Chemical reaction Pore diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction. Photochemical Autocatalytic None of these Catalytic Photochemical Autocatalytic None of these Catalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The residence time distribution of an ideal CSTR is Τ exp (-t/τ) 1/τ exp (-t/τ) Exp(-t/τ) 1/τ (-t/τ) Τ exp (-t/τ) 1/τ exp (-t/τ) Exp(-t/τ) 1/τ (-t/τ) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The percent conversion of ethanol in the reactor is 2.5 100 95 97.5 2.5 100 95 97.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min⁻¹ . What will be the conversion for a PFR with a space velocity of 0.2 min⁻¹? Assume that all the other operating conditions are the same for CSTR and PFR. 0.6 0.9 0.3 0.15 0.6 0.9 0.3 0.15 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Value of threshold energy decreases Fraction of molecules having threshold energy increases Collision frequency increases Increased temperature reduces the activation energy Value of threshold energy decreases Fraction of molecules having threshold energy increases Collision frequency increases Increased temperature reduces the activation energy ANSWER DOWNLOAD EXAMIANS APP
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