Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected Decreases Can either increase or decrease (depends on the type of catalyst) Increases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for isothermal operation? Back-mix reactor Plug-flow reactor Fixed bed reactor Batch reactor Back-mix reactor Plug-flow reactor Fixed bed reactor Batch reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst inhibitor Lessens its selectivity Is added in small quantity during the catalyst manufacture itself All of these May be useful for suppressing undesirable side reactions Lessens its selectivity Is added in small quantity during the catalyst manufacture itself All of these May be useful for suppressing undesirable side reactions 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. Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the All of these Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor Space time is equivalent to holding time for constant density systems All of these Composition throughout the reactor remains same Exit stream has the same composition as the fluid within the reactor Space time is equivalent to holding time for constant density systems ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for Gas reactions with changing no. of moles Non-isothermal gas reaction Constant fluid density systems Variable fluid density systems Gas reactions with changing no. of moles Non-isothermal gas reaction Constant fluid density systems Variable fluid density systems ANSWER DOWNLOAD EXAMIANS APP
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