Chemical Reaction Engineering During manufacture of H₂SO₄, the oxidation of SO₂ to SO₃ by oxygen is an en- dothermic reaction. The yield of SO₃ will be maximised, if the Temperature is increased and pressure is reduced Temperature is reduced and pressure is increased Temperature is increased Pressure is reduced Temperature is increased and pressure is reduced Temperature is reduced and pressure is increased Temperature is increased Pressure is reduced ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Gas film diffusion Ash diffusion None of these Chemical reaction Gas film diffusion Ash diffusion None of these Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is Data insufficient, can't be predicted 1 0.5 0.33 Data insufficient, can't be predicted 1 0.5 0.33 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as k ∝ T k ∝ exp(-E/RT) k ∝ T1.5 k ∝ √T k ∝ T k ∝ exp(-E/RT) k ∝ T1.5 k ∝ √T 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) Reduced time (vt/V) None of these Reactor dispersion number (D/vL) Thiele modulus (L√(k/D1) Reduced time (vt/V) None of these Reactor dispersion number (D/vL) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A trickle bed reactor is the one, which Processes three reactants with same flow rate Has altogether three streams either entering or leaving Employs all the three phases (i.e.. .solid, liquid and gas) Processes three reactants at different flow rates Processes three reactants with same flow rate Has altogether three streams either entering or leaving Employs all the three phases (i.e.. .solid, liquid and gas) Processes three reactants at different flow rates ANSWER DOWNLOAD EXAMIANS APP
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