Chemical Reaction Engineering In an ideal tubular-flow reactor There is no mixing in longitudinal direction There is a uniform velocity across the radius All of these Mixing takes place in radial direction There is no mixing in longitudinal direction There is a uniform velocity across the radius All of these Mixing takes place in radial direction 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.) Reduced time (vt/V) Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) None of these Reduced time (vt/V) Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt Averaged over the inlet and outlet In the reactor At the outlet At the inlet Averaged over the inlet and outlet In the reactor At the outlet At the inlet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ catalytic reaction is involved in the thermal cracking of gas oil. Heterogeneous non Homogeneous non Heterogeneous Homogeneous Heterogeneous non Homogeneous non Heterogeneous Homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not affected by the Number of molecules of reactants taking part in the reaction Temperature Catalyst Reactant's concentration Number of molecules of reactants taking part in the reaction Temperature Catalyst Reactant's concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CA0 > CB0 CB0 ≥ CB0 CA0 = CB0 CB0 > CA0 CA0 > CB0 CB0 ≥ CB0 CA0 = CB0 CB0 > CA0 ANSWER DOWNLOAD EXAMIANS APP
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