Complete GATE AR 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 16–18 of 81. Imported answers require review unless explicitly marked reviewed.

Paper practice 81 questionsPage 6 of 27

Question 16

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Identify the correct relationship with respect to water quality from the following options.
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Question 17

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As per the Solid Waste Management Rules, 2016, co-processing is the use of __________________ and __________________ solid waste having calorific value exceeding 1500 kcal/kg as raw material or as a source of energy, or both.
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Question 18

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For composting, the optimum Carbon to Nitrogen (C:N) ratio is close to ______________.
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