Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Form of surface attack by poison Pore diffusion All of these Decay reactions Form of surface attack by poison Pore diffusion All of these Decay reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have High CA, low CB Low CA, low CB Low CA, high CB High CA, high CB High CA, low CB Low CA, low CB Low CA, high CB High CA, high CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst promoter All of these Acts as a catalyst support Improves the activity of a catalyst Itself has very high activity All of these Acts as a catalyst support Improves the activity of a catalyst Itself has very high activity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Variables affecting the rate of homogeneous reactions are Pressure, temperature and composition Pressure and composition only Pressure and temperature only Temperature and composition only Pressure, temperature and composition Pressure and composition only Pressure and temperature only Temperature and composition only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The performance equations for constant density systems are identical for P.F.R, batch reactor and backmix reactor P.F.R. and backmix reactor P.F.R. and batch reactor Batch reactor and backmix reactor P.F.R, batch reactor and backmix reactor P.F.R. and backmix reactor P.F.R. and batch reactor Batch reactor and backmix reactor 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. Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion ANSWER DOWNLOAD EXAMIANS APP
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