Chemical Reaction Engineering The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst. Remains unaffected Decreases Increases Unpredictable from the data Remains unaffected Decreases Increases Unpredictable from the data ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Kinetics of a catalytic reaction can be best studied on a/an __________ reactor. Mixed Differential (flow) Either A, B and C Integral (plug flow) Mixed Differential (flow) Either A, B and C Integral (plug flow) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Either of the arrangement A or B will give the same yield Smaller reactor followed by larger one Data insufficient, can Large reactor followed by smaller one Either of the arrangement A or B will give the same yield Smaller reactor followed by larger one Data insufficient, can Large reactor followed by smaller one ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by All of these Small pore diameter Large catalyst particle size An active surface of the catalyst All of these Small pore diameter Large catalyst particle size An active surface of the catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.) Thiele modulus (L√(k/D1) None of these Reactor dispersion number (D/vL) Reduced time (vt/V) Thiele modulus (L√(k/D1) None of these Reactor dispersion number (D/vL) Reduced time (vt/V) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is -0.25 -0.5 1 -0.25 -0.5 1 ANSWER DOWNLOAD EXAMIANS APP