Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. All of these High labour and handling cost Poor product quality control High shutdown time requirement for emptying, cleaning and refilling All of these High labour and handling cost Poor product quality control High shutdown time requirement for emptying, cleaning and refilling ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an exothermic reaction, the energy of the reacting substances as compared to that of products is More Less Either A or B, depends on order of reaction Same More Less Either A or B, depends on order of reaction Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the reversible reaction A ⇋ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium? 0.253 0.152 0.338 0.637 0.253 0.152 0.338 0.637 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The most suitable reactor for carrying out an auto-thermal reaction is a CSTR Plug-flow reactor Semi-batch reactor Batch reactor CSTR Plug-flow reactor Semi-batch reactor Batch reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CO₂ escapes continuously Of high calcination temperature CaO is not dissociated CaO is more stable than CaCO₃ CO₂ escapes continuously Of high calcination temperature CaO is not dissociated CaO is more stable than CaCO₃ ANSWER DOWNLOAD EXAMIANS APP