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 Collision frequency increases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Value of threshold energy decreases Collision frequency increases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases 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 Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Gas film and pore surface diffusion resistances for reactants Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the design of a fluid-solid reactor? Size distribution of solids beingtreated All of these Flow patterns of solids and fluid in the reactor Reaction kinetics for single particle, Size distribution of solids beingtreated All of these Flow patterns of solids and fluid in the reactor Reaction kinetics for single particle, ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a high liquid hold up is required in a reactor for gas liquid reaction, use __________ coloumn. Packed Bubble Spray Tray Packed Bubble Spray Tray ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in Saliva Blood Intestine Gland Saliva Blood Intestine Gland ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an autocatalytic reactor, the suitable reactor set up is CSTR followed by P.F. reactor CSTR in series P.F. reactors in series P.F. reactor followed by CSTR CSTR followed by P.F. reactor CSTR in series P.F. reactors in series P.F. reactor followed by CSTR ANSWER DOWNLOAD EXAMIANS APP
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