GATE CH 2026 Paper 1 — page 9

Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.

A process exhibits an inverse response to a step input. Which of the following statements is/are necessarily TRUE about the process?

Your answerSelect all correct options. You can choose more than one.

Its transfer function has a positive zero.

Its transfer function has a negative zero.

The initial direction of the step response is opposite to the final steady state value.

The system is unstable due to a zero in the right half of the s-plane.

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Urea has its major use as a solid fertilizer for nitrogen fixation. Which of the following is/are other application(s) of urea?

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manufacturing of resin and plastics

melamine production

muriatic acid production

sulphamic acid production

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Which of the following statements regarding the heat of reaction is/are CORRECT?

Your answerSelect all correct options. You can choose more than one.

For endothermic reaction, it is positive.

For exothermic reaction, it is negative.

For exothermic reaction, it is positive.

It is the enthalpy change for a process in which stoichiometric quantities of reactants, at a temperature and pressure, react completely in a single reaction to form products at the same temperature and pressure.

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2026 · Paper 1

Question 25

Question 26

Question 27