Chemical Reaction Engineering The energy of activation of a chemical reaction Varies as fifth power of the temperature Both B and C Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Both B and C Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. Film diffusion Diffusion through ash layer Either A, B or C Chemical reaction Film diffusion Diffusion through ash layer Either A, B or C Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are Of different sizes None of these Of such size that the ratio of their volumes is < 5 Equal in size Of different sizes None of these Of such size that the ratio of their volumes is < 5 Equal in size ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Ash resistance Gas film and pore surface diffusion resistances for products Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Ash resistance Gas film and pore surface diffusion resistances for products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not endothermic in nature? Gasification of carbon Steam reforming of naphtha Thermal cracking of fuel oil Combustion of sulphur Gasification of carbon Steam reforming of naphtha Thermal cracking of fuel oil Combustion of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Microbial fermentation reaction Enzyme fermentation reaction Photochemical reactions Ammonia synthesis reaction Microbial fermentation reaction Enzyme fermentation reaction Photochemical reactions Ammonia synthesis reaction ANSWER DOWNLOAD EXAMIANS APP