Chemical Reaction Engineering For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases __________ times. 8 12 16 32 8 12 16 32 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus is used to determine the Specific surface of a porous catalyst Porosity of the catalyst bed Pore size distribution Pore diameter Specific surface of a porous catalyst Porosity of the catalyst bed Pore size distribution Pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is < 1 1 > 1 < 1 1 > 1 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. Proportional to the square of Inversely proportional to Independent of Proportional to Proportional to the square of Inversely proportional to Independent of Proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Ammonia synthesis reaction Enzyme fermentation reaction Photochemical reactions Microbial fermentation reaction Ammonia synthesis reaction Enzyme fermentation reaction Photochemical reactions Microbial fermentation reaction ANSWER DOWNLOAD EXAMIANS APP