Environmental Science and Engineering
GATE ES topic:sustainability PYQs
Build your understanding with focused practice from past exam papers.
Questions 341–350 of 390. Imported answers require independent review unless marked reviewed.
Question 6
Open questionESMCQ1 markNeeds review
What is the order of preference of the various elements in integrated waste management hierarchy (highest preference to lowest preference)?
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If
is the depth of an aquifer through which water is flowing, then the relationship between permeability
and transmissivity (also known as transmissivity)
is given by __________.Your answerChoose one option.
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Which of the following is the terminal electron acceptor in the electron transport chain of aerobic respiration?
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Which of the following causes ‘Type-I’ settling in a sedimentation tank?
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In the context of noise pollution, SPL is the sound pressure level in decibels (dB). The relationship between SPL, the root mean square (rms) sound pressure
, and the reference (hearing threshold) pressure
is expressed as __________.Your answerChoose one option.
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The following block diagram highlights the typical phases of the life cycle of a product. In the figure, ‘P’, ‘Q’, and ‘R’ represent various possible scopes of analyses in life cycle assessment. Which of the following statements is true?
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The United Nations Conference on Environment and Development was held in 1992 in Rio de Janeiro, Brazil. During this conference, several environmental management principles were adopted by many countries.
Which one of the following principles allows the governments to take mitigation measures on the environmental issues having serious threats or irreversible damage, even if there is scientific uncertainty about such issues?
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Choose the correct order of biodegradability (highest to lowest) of the following municipal solid waste components.
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In proximate analysis, when a 10 kg moisture-free solid sample is heated in a furnace at 950 °C in the absence of air, its mass is reduced by 6 kg. If the same 10 kg moisture-free solid sample is heated in the furnace at the same temperature in the presence of air, its mass is reduced by 7 kg. The percentage of fixed carbon in the sample is __________.
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Chlorine is most effective as a water disinfectant at a pH of __________.
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