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Waste Water Engineering

Waste Water Engineering
Discrete or granular particles change their

Size
None of these
Weight
Shape

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Waste Water Engineering
To maintain aerobic biological activity, the moisture content of the compost mass should be about

0.5
0.45
0.55
0.6

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Waste Water Engineering
The suitable cross-section of sewers to carry combined flow, is

Rectangular
Horse shoe shaped
Circular
Egg shaped

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Waste Water Engineering
In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is

D/2
D/4
D/1
D/3

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Waste Water Engineering
Sewer manholes are generally provided at

The change of direction
The change of gradient
All of these
The junctions of sewers

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Waste Water Engineering
It is customary to design a sewer for D.W.F. on the basis of

Four times the average demand
Twice the average demand
Thrice the average demand
Average demand

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MORE MCQ ON Waste Water Engineering

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