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 Prohibitively costly Active at very high temperature only Active at cryogenic temperatures only Proteinous in nature Prohibitively costly Active at very high temperature only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ resistance is not involved in the combustion of a carbon particle. Chemical reaction Ash Gas film None of these Chemical reaction Ash Gas film None of these 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. Chemical reaction Diffusion through ash layer Either A, B or C Film diffusion Chemical reaction Diffusion through ash layer Either A, B or C Film diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If ΔG (free energy change) for a chemical reaction is very large and negative, then the reaction is Not feasible Unpredictable as ΔG is no measure of feasibility of a reaction Just feasible Very much feasible Not feasible Unpredictable as ΔG is no measure of feasibility of a reaction Just feasible Very much feasible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From Arhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is K cal °K K cal/°K K cal. °K K cal °K K cal/°K K cal. °K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt In the reactor At the inlet Averaged over the inlet and outlet At the outlet In the reactor At the inlet Averaged over the inlet and outlet At the outlet ANSWER DOWNLOAD EXAMIANS APP