GATE CH 2019 Paper 1 — page 19

Complete GATE CH 2019 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 55–57 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 19 of 22

The elementary, irreversible, liquid-phase, parallel reactions, 2A → D and 2A → U, take place in an isothermal non-ideal reactor. The C-curve measured in a tracer experiment is shown in the figure, where

is the concentration of the tracer in g/m³ at the reactor exit at time

(in min).

Diagram for Chemical Engineering question 45

The rate constants are

Liter/(mol min) and

Liter/(mol min). Pure A is fed to the reactor at a concentration of 2 mol/Liter. Using the segregated model, the percentage conversion in the reactor is __________ (rounded off to the nearest integer).

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A first-order irreversible liquid phase reaction A → B (

min⁻¹) is carried out under isothermal, steady state conditions in the following reactor arrangement comprising an ideal CSTR (Continous-Stirred Tank Reactor) and two ideal PFRs (Plug Flow Reactors). From the information in the figure, the volume of the CSTR (in Liters) is __________ (rounded off to the nearest integer).

Diagram for Chemical Engineering question 46

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The elementary liquid-phase irreversible reactions

take place in an isothermal ideal CSTR (Continuous-Stirred Tank Reactor). Pure A is fed to the reactor at a concentration of 2 mol/Liter. For the residence time that maximizes the exit concentration of B, the percentage yield of B, defined as

, is __________ (rounded off to the nearest integer).

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2019 · Paper 1

Question 45

Question 46

Question 47