GATE CH 2017 Paper 1 — page 17

Questions 49–51 of 65. Imported answers require review unless explicitly marked reviewed.

The following gas-phase reaction is carried out in a constant-volume isothermal batch reactor

The reactants A and B as well as the product S are non-condensable gases. At the operating temperature, the saturation pressure of the product R is 40 kPa. Initially, the batch reactor contains equimolar amounts of A and B (and no products) at a total pressure of 100 kPa. The initial concentrations of the reactants are

. The rate of reaction is given by

. The time at which R just starts condensing, rounded to 1 decimal place, is ________ s.

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The transfer function of a system is

For a unit step increase in the input, the fractional overshoot, rounded to 2 decimal places, is _____.

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The open loop transfer function of a process with a proportional controller (gain

) is

Based on the Bode criterion for closed-loop stability, the ultimate gain of the controller, rounded to 2 decimal places, is __________.

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2017 · Paper 1

Question 49

Question 50

Question 51