Chemical Reaction Engineering An isothermal aqueous phase reversible reaction, P ⇋ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the 2.67 1.33 1.60 0.80 2.67 1.33 1.60 0.80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. Exothermic Autocatalytic Autothermal Endothermic Exothermic Autocatalytic Autothermal Endothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Variables affecting the rate of homogeneous reactions are Pressure and composition only Temperature and composition only Pressure and temperature only Pressure, temperature and composition Pressure and composition only Temperature and composition only Pressure and temperature only Pressure, temperature and composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will favour the reverse reaction in a chemical equilibrium reaction? Increasing the concentration of one of the reactants Removal of at least one of the products at regular interval Increasing the concentration of one or more of the products None of these Increasing the concentration of one of the reactants Removal of at least one of the products at regular interval Increasing the concentration of one or more of the products None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b ANSWER DOWNLOAD EXAMIANS APP
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 Temperature is reduced and pressure is increased Pressure is reduced Temperature is increased and pressure is reduced Temperature is increased Temperature is reduced and pressure is increased Pressure is reduced Temperature is increased and pressure is reduced ANSWER DOWNLOAD EXAMIANS APP
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