Chemical Reaction Engineering A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction. Equal to or more than More than Less than Equal to Equal to or more than More than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Chemical reaction Film diffusion Either A, B or C Diffusion through ash layer Chemical reaction Film diffusion Either A, B or C Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Organic catalysts differ from the inorganic catalyst in the sense that the former is Active at cryogenic temperatures only Proteinous in nature Active at very high temperature only Prohibitively costly Active at cryogenic temperatures only Proteinous in nature Active at very high temperature only Prohibitively costly ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) Independent of temperature ∝ CA ∝ 1/CA None of these Independent of temperature ∝ CA ∝ 1/CA None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method can be used to determine the __________ of the catalyst particle. All of these Porosity Pore volume Solid density All of these Porosity Pore volume Solid density ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Microbial fermentation reaction Ammonia synthesis reaction Enzyme fermentation reaction Photochemical reactions Microbial fermentation reaction Ammonia synthesis reaction Enzyme fermentation reaction Photochemical reactions ANSWER DOWNLOAD EXAMIANS APP
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