GATE ES discipline:civil-and-environmental-engineering PYQs & Answers — Page 9

Questions 81–90 of 390. Imported answers require independent review unless marked reviewed.

For flood routing, consider the following statements

P: Hydrologic routing method uses continuity equation and momentum equation

Q: Hydraulic routing method uses continuity equation and energy equation

Choose the correct option from the following

Your answerChoose one option.

P is TRUE; Q is TRUE

P is TRUE; Q is FALSE

P is FALSE; Q is TRUE

P is FALSE; Q is FALSE

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For a gradually varied flow, consider the following statements

in M

surface profile

in S

surface profile

where,

is normal depth,

is critical depth, and

is flow depth.

Choose the correct option from the following

Your answerChoose one option.

P is TRUE; Q is TRUE

P is TRUE; Q is FALSE

P is FALSE; Q is TRUE

P is FALSE; Q is FALSE

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Match the following and choose the correct option from the following

Type of reactor	Diagram
1. Plug flow reactor	x.
2. Continuously stirred tank reactor	y.
3. Batch reactor	z.

The stirrer symbol indicates stirrer for mixing (not to scale).

Your answerChoose one option.

1-x, 2-y, 3-z

1-z, 2-y, 3-x

1-y, 2-z, 3-x

1-x, 2-z, 3-y

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Multiple effect evaporator is commonly used, in the zero liquid discharge (ZLD) scheme, for ________

Your answerChoose one option.

oxidation of organic pollutants

precipitation of heavy metals

concentrating reverse osmosis (RO) reject salts

perform selective ion exchange

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Consider the following statements

P : According to the National Ambient Air Quality Standards (Central Pollution Control Board, Govt. of India, notification 2009), annual time weighted average PM₁₀ standard is more than PM₂.₅ standard.

Q : According to the National Air Quality Index released by Govt. of India in 2015, sub index value of PM₁₀ can be less than that of PM₂.₅.

Choose the correct option from the following

Your answerChoose one option.

P is TRUE; Q is FALSE

P is FALSE; Q is TRUE

P is TRUE; Q is TRUE

P is FALSE; Q is FALSE

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Which option gives the components that are most likely to be present in the segregated combustible fraction (SCF) separated from raw mixed municipal solid waste (MSW)?

Your answerChoose one option.

plastics, paper, rubber, metals

plastics, paper, leather, glass

plastics, leather, textiles, rubber

plastics, rubber, textiles, food waste

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Correctly match the sustainable development goal (SDG) with its theme

SDG	Theme
i. SDG 6	p. Good Health and Well-being
ii. SDG 11	q. Responsible Consumption and Production
iii. SDG 3	r. Sustainable Cities and Communities
iv. SDG 12	s. Clean Water and Sanitation

Your answerChoose one option.

i-q ii-r iii-p iv-s

i-s ii-r iii-p iv-q

i-s ii-r iii-q iv-p

i-p ii-q iii-r iv-s

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Choose the correct option regarding the Basel Convention

Your answerChoose one option.

Almost all the nations of the world assembled for the first time in the history to discuss and find out the solution for a common environment problem.

It was for formulating the strategies and guidelines to reduce CO₂ and CH₄ emissions to control the global warming.

It was for formulating the strategies and guidelines to control the release of acid gases that can cause acid rain in another country.

It was for formulating the strategies and guidelines for the trans-boundary movement of hazardous wastes.

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Consider the following statements

(i) Environmental pollutant concentration is generally modeled using lognormal distribution. (ii) Environmental pollutant concentration is generally modeled using Poisson distribution. (iii) The weekly rate of exceedance of environmental pollutant concentration with regard to a given standard is generally modeled using lognormal distribution. (iv) The weekly rate of exceedance of environmental pollutant concentration with regards to a given standard is generally modeled using Poisson distribution.

Choose the correct option(s) from the following

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

(i) and (iv) are correct

(i) is correct and (iii) is incorrect

(ii) and (iv) are correct

(ii) and (iv) are incorrect

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Choose the correct statement(s) from the following regarding the structure/ reproduction of microorganisms

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

Prokaryotes do not have nucleus but Eukaryotes have nucleus.

Both Prokaryotes and Eukaryotes have nucleus.

No binary fission happens in Eukaryotes, however, Prokaryotes rely on binary fission for reproduction.

Both Prokaryotes and Eukaryotes rely on binary fission for reproduction.

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GATE ES discipline:civil-and-environmental-engineering PYQs

Question 16

Question 17

Question 18

Question 19

Question 20

Question 21

Question 22

Question 23

Question 24

Question 25