Chemical Reaction Engineering The vessel dispersion number (D/μL) for plug flow is 500 750 ∞ 500 750 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate at which a chemical substance reacts is proportional to its Active mass None of these Molecular weight Equivalent weight Active mass None of these Molecular weight Equivalent weight ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2 2.5 2.24 1.6 2 2.5 2.24 1.6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction between oxygen and organic material is a/an __________ reaction. Exothermic Endothermic Photochemical Biochemical Exothermic Endothermic Photochemical Biochemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal tubular-flow reactor Mixing takes place in radial direction There is a uniform velocity across the radius There is no mixing in longitudinal direction All of these Mixing takes place in radial direction There is a uniform velocity across the radius There is no mixing in longitudinal direction All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value. Half None of these Equal Twice Half None of these Equal Twice ANSWER DOWNLOAD EXAMIANS APP
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