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Environmental Engineering

Environmental Engineering
A pipe which is installed in the house drainage to preserve the water seal of traps is called

Soil pipe
Anti-siphonage pipe
Vent pipe
Waste pipe

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Environmental Engineering
Sewerage system is usually designed for

26 years
28 years
25 years
27 years

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Environmental Engineering
The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is

Infinite
100
1
Zero

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Environmental Engineering
The effect of increasing diameter of sewer on the self cleansing velocity is

To decrease it
Nil
Fluctuating
To increase it

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Environmental Engineering
On standard silica scale, the turbidity in drinking water should be limited to

10 ppm
50 ppm
20 ppm
30 ppm

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Environmental Engineering
The per capital consumption of a locality is affected by (i) Climatic conditions (ii) Quality of water (iii) Distribution pressure

All (i), (ii) and (iii)
Both (i) and (ii)
Both (i) and (iii)
Only (i)

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