Chemical Reaction Engineering If 'n' is the order of reaction, then unit of rate constant is None of these (time)n - 1 (concentration) (time)-1 (concentration)n - 1 1/(time)(concentration)n - 1 None of these (time)n - 1 (concentration) (time)-1 (concentration)n - 1 1/(time)(concentration)n - 1 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.) Reactor dispersion number (D/vL) Reduced time (vt/V) None of these Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) Reduced time (vt/V) None of these Thiele modulus (L√(k/D1) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to All of these Loss in surface area of the active component Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance All of these Loss in surface area of the active component Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO₂ and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant? 0.75 0.95 1 0.2 0.75 0.95 1 0.2 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 All of these There is no mixing in longitudinal direction Mixing takes place in radial direction There is a uniform velocity across the radius All of these There is no mixing in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space velocity Is the maximum feed rate pre unit volume of reactor for a given conversion Is a measure of the ease of the reaction Describes the extensive operating characteristics of a tubular flow reactor All of these Is the maximum feed rate pre unit volume of reactor for a given conversion Is a measure of the ease of the reaction Describes the extensive operating characteristics of a tubular flow reactor All of these ANSWER DOWNLOAD EXAMIANS APP
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