GATE ES concept:urban-heat-islands PYQs & Answers

Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.

Questions 1–2 of 2. Imported answers require independent review unless marked reviewed.

Topic practice 2 questionsPage 1 of 1

Choose the correct option(s) from the following regarding urban environment

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

Urban heat island can exacerbate urban flooding by intensifying rainfall intensity.

Urban canyons increase ventilation by trapping heat and thus enhancing urban heat island effect.

Program evaluation and review technique (PERT) is always used to estimate the economic impact of mitigation strategies for urban heat island effect.

In general, land surfaces in urban area emit more long wave radiation compared to those in rural areas, and thus contribute to higher night time temperature.

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Which of the following statements is/are NOT true?

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

Urban heat island effect in a city can be reduced by increasing trees and vegetation cover in the city.

Urban heat island intensity is affected by PM₂.₅ concentrations in a city.

Urban heat island intensity increases due to installation of reflective roofs in a city.

In comparison with the non-urban areas, urban heat island effect raises night-time temperatures more than daytime temperatures in cities.

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GATE ES concept:urban-heat-islands PYQs

How to practice concept:urban-heat-islands

Question 32

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