GATE CE 2022 Paper 2 — page 9

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

and

are two square matrices of the same order. Which of the following statement(s) is/are correct?

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

and

are invertible, then

and

are invertible, then

and

are invertible, then

and

are not invertible, then

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In a solid waste handling facility, the moisture contents (MC) of food waste, paper waste, and glass waste were found to be

, and

, respectively. Similarly, the energy contents (EC) of plastic waste, food waste, and glass waste were found to be

, and

, respectively. Which of the following statement(s) is/are correct?

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

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To design an optimum municipal solid waste collection route, which of the following is/are NOT desired:

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

Collection vehicle should not travel twice down the same street in a day.

Waste collection on congested roads should not occur during rush hours in morning or evening.

Collection should occur in the uphill direction.

The last collection point on a route should be as close as possible to the waste disposal facility.

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2022 · Paper 2