Test: Quality & Characteristics of Sewage - 2


10 Questions MCQ Test Environmental Engineering | Test: Quality & Characteristics of Sewage - 2


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Attempt Test: Quality & Characteristics of Sewage - 2 | 10 questions in 30 minutes | Mock test for Civil Engineering (CE) preparation | Free important questions MCQ to study Environmental Engineering for Civil Engineering (CE) Exam | Download free PDF with solutions
QUESTION: 1

The average BOD5 of domestic sewage is

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QUESTION: 2

The relative stability of a sewage sample, whose D.O. equals the total oxygen required to satisfy its BOD, is

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QUESTION: 3

Complete thorough treatment should generally be given to sewage, before its disposal in a stream, if the dilution factor available is

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QUESTION: 4

Algae dies out, though fish life may survive, in a river zone, known as

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QUESTION: 5

If a sewer drain carrying a discharge of 2 cumecs, out falls into a river carrying a discharge of 10 cumecs, and having DO equal to 8.4 mg/l, the resultant DO of the mix. will be equal to

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QUESTION: 6

The phenomenon by virtue of which a soil is dogged with sewage matter, is called

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QUESTION: 7

Most of the bacteria in sewage are

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QUESTION: 8

One litre of sewage, when allowed to settle for 30 minutes gives a sludge volume of 27 cm3. If the dry weight of this sludge is 3.0 grams, then its sludge volume index will be

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QUESTION: 9

Eutrophication of water bodies is caused by the

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QUESTION: 10

The ultimate BOD value of a waste

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