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Environmental Engineering

Environmental Engineering
The characteristics of fresh and septic sewage respectively are

Acidic and alkaline
Alkaline and acidic
Both acidic
Both alkaline

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Environmental Engineering
Facultative bacteria are able to work in

Absence of oxygen only
Presence of oxygen only
Presence of water
Presence as well as in absence of oxygen

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Environmental Engineering
The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is

Sluice valve
Air relief valve
Pressure relief valve
Reflux valve

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Environmental Engineering
The process in which the chlorination is done beyond the break point is known as

Super chlorination
Break point chlorination
Pre-chlorination
Post chlorination

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Environmental Engineering
The type of valve, which is provided on the suction pipe in a tube-well, is

Air relief valve
Reflux valve
Sluice valve
Pressure relief valve

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Environmental Engineering
The rate of filtration in slow sand filters in million litres per day per hectare is about

100 to 150
500 to 600
50 to 60
1400 to 1500

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MORE MCQ ON Environmental Engineering

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