Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CA0 > CB0 CB0 > CA0 CB0 ≥ CB0 CA0 = CB0 CA0 > CB0 CB0 > CA0 CB0 ≥ CB0 CA0 = CB0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be 0.5τ 2τ 0.693τ τ/0.693 0.5τ 2τ 0.693τ τ/0.693 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure? PCl3 + Cl₂ ⇋ PCl5 2SO₂ + O₂ ⇋ 2SO₃ N + 3H₂ ⇋ 2NH₃ N₂ + O₂ ⇋ 2NO PCl3 + Cl₂ ⇋ PCl5 2SO₂ + O₂ ⇋ 2SO₃ N + 3H₂ ⇋ 2NH₃ N₂ + O₂ ⇋ 2NO ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A backmix reactor Is same as plug-flow reactor Employs mixing in axial direction only Is same as ideal stirred tank reactor Is most suitable for gas phase reaction Is same as plug-flow reactor Employs mixing in axial direction only Is same as ideal stirred tank reactor Is most suitable for gas phase reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor None of these The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor None of these The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The unit of space velocity is (time)⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space velocity All of these Describes the extensive operating characteristics of a tubular flow reactor Is a measure of the ease of the reaction Is the maximum feed rate pre unit volume of reactor for a given conversion All of these Describes the extensive operating characteristics of a tubular flow reactor Is a measure of the ease of the reaction Is the maximum feed rate pre unit volume of reactor for a given conversion ANSWER DOWNLOAD EXAMIANS APP
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