Questions without answers in Environmental Engineering / GO Civil

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Made Easy Gate Previous year Questions
If we have 3 samples Initial DO. Final DO. Volume 1. 9.2 6.9 5 2. 9.1 4.4 10 3. 8.4 0 50 Do we need to consider last sample for finding average BOD?

If we have 3 samples Initial DO. Final DO. Volume1. 9.2 6.9 52. 9.1 4.4 ...

Don6

130 points

Don6 asked May 11, 2021

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2

GATE Civil 2021 Set 2 | Question: 14
Determine the correctness or otherwise of the following Assertion $\text{[a]}$ and the Reason $\text{[r]}$. $\text{Assertion [a]}$: One of the best ways to reduce the amount of solid wastes is to reduce the consumption of raw materials. $\text{Reason [r]}$: Solid ... Both $\text{[a]}$ and $\text{[r]}$ are false $\text{[a]}$ is true but $\text{[r]}$ is false

Determine the correctness or otherwise of the following Assertion $\text{[a]}$ and the Reason $\text{[r]}$.$\text{Assertion [a]}$: One of the best ways to reduce the amou...

go_editor

5.3k points

go_editor asked Mar 1, 2021

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3

GATE Civil 2021 Set 2 | Question: 15
The hardness of a water sample is measured directly by titration with $\text{0.01 M}$ solution of ethylenediamine tetraacetic acid $\text{(EDTA)}$ using eriochrome black $\text{T (EBT)}$ as an indicator. The $\text{EBT}$ reacts ... colour of the solution changes from blue-green to reddish brown blue to colourless reddish brown to pinkish yellow Wine red to blue

The hardness of a water sample is measured directly by titration with $\text{0.01 M}$ solution of ethylenediamine tetraacetic acid $\text{(EDTA)}$ using eriochrome black ...

go_editor

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go_editor asked Mar 1, 2021

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4

GATE Civil 2021 Set 2 | Question: 17
Which of the following statement$\text{(s)}$ is/are correct? Increased levels of carbon monoxide in the indoor environment result in the formation of carboxyhemoglobin and the long term exposure becomes a cause of cardiovascular diseases ... in the indoor environment will result in the formation of photochemical smog which is a cause of cardiovascular diseases

Which of the following statement$\text{(s)}$ is/are correct?Increased levels of carbon monoxide in the indoor environment result in the formation of carboxyhemoglobin and...

go_editor

5.3k points

go_editor asked Mar 1, 2021

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5

GATE Civil 2021 Set 2 | Question: 32
Read the statements given below. Value of the wind profile exponent for the 'very unstable' atmosphere is smaller than the wind profile exponent for the 'neutral' atmosphere. Downwind concentration of air pollutants due to an elevated point source will be ... is False and $\text{iii}$ is False $\text{iii}$ is False and $\text{iv}$ is False

Read the statements given below.Value of the wind profile exponent for the 'very unstable' atmosphere is smaller than the wind profile exponent for the 'neutral' atmosphe...

go_editor

5.3k points

go_editor asked Mar 1, 2021

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6

GATE Civil 2021 Set 2 | Question: 51
An activated sludge process $\text{(ASP)}$ is designed for secondary treatment of $7500\:m^{3}/$day of municipal wastewater. After primary clarifier, the ultimate $\text{BOD}$ of the influent, which enters into $\text{ASP}$ ... underflow volume (in $m^{3}$/day, $\textit{round off to one decimal place}$) of sludge wastage is _______________________

An activated sludge process $\text{(ASP)}$ is designed for secondary treatment of $7500\:m^{3}/$day of municipal wastewater. After primary clarifier, the ultimate $\text{...

go_editor

5.3k points

go_editor asked Mar 1, 2021

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7

GATE Civil 2021 Set 2 | Question: 52
A grit chamber of rectangular cross-section is to be designed to remove particles with diameter of $\text{0.25 mm}$ and specific gravity of $2.70$. The terminal settling velocity of the particles is estimated as $\text{2.5 cm/s}$. The ... the chamber (in $\text{m}, \textit{in integer}$) to remove $\text{0.25 mm}$ particles completely is ____________________

A grit chamber of rectangular cross-section is to be designed to remove particles with diameter of $\text{0.25 mm}$ and specific gravity of $2.70$. The terminal settling ...

go_editor

5.3k points

go_editor asked Mar 1, 2021

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8

GATE Civil 2021 Set 1 | Question: 11
Which one of the following statements is correct? Pyrolysis is an endothermic process, which takes place in the absence of oxygen Pyrolysis is an exothermic process, which takes place in the absence of oxygen Combustion is an endothermic ... takes place in the abundance of oxygen Combustion is an exothermic process, which takes place in the absence of oxygen

Which one of the following statements is correct?Pyrolysis is an endothermic process, which takes place in the absence of oxygenPyrolysis is an exothermic process, which ...