Chemical Reaction Engineering Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion. Either A or B, depends on the type of reaction No change Increase Decrease Either A or B, depends on the type of reaction No change Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fractional conversion __________ for an exothermic reversible chemical reaction, when the temperature is maximum. Decreases Remains unchanged Unpredictable from the data Increases Decreases Remains unchanged Unpredictable from the data Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The units of frequency factor in Arhenious equation Are the same as those of the rate constant Depend on temperature, pressure etc. of the reaction Are cycles per unit time Depend on the order of the reaction Are the same as those of the rate constant Depend on temperature, pressure etc. of the reaction Are cycles per unit time Depend on the order of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be 0.5τ τ/0.693 0.693τ 2τ 0.5τ τ/0.693 0.693τ 2τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is an autocatalytic reaction? Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction Microbial fermentation reaction Photochemical reactions Enzyme fermentation reaction Ammonia synthesis reaction Microbial fermentation reaction 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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