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RVUNL_CE_Quiz 62

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Question 1

In an activated sludge plant F/M (Food to Microorganism) the ratio is equal to

Question 2

The detention period in a septic is assumed to be ______.

Question 3

Fresh sludge has moisture content of 97 % and after thickening, its moisture content is reduced to 94 %. The ratio of volume of thickened sludge to fresh sludge is:

Question 4

A grit chamber of dimension 15 m x 2 m x 0.8 m liquid depth flow of 800 m³/hr. Its detention time is

Question 5

The type of relationship existing between the aerobic and anaerobic microorganisms in a oxidation pond is

Question 6

Sludge had 100m³ volume when its moisture content was 95%. What would be its volume if its moisture content changed to 90%?

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AE & JE Exams

Sep 9AE & JE Exams