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Environmental Engineering

Environmental Engineering
Sewerage system is usually designed for

26 years
27 years
25 years
28 years

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Environmental Engineering
Which of the following causes a decrease in per capita consumption?

Better standard of living of the people
Use of metering system
Good quality of water
Hotter climate

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

Anti-siphonage pipe
Waste pipe
Vent pipe
Soil pipe

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Environmental Engineering
Disinfection efficiency is

Increased at higher pH value of water
Highest at pH value equal to 7
Reduced at higher pH value of water
Unaffected by pH value of water

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Environmental Engineering
Sewerage system is designed for

Minimum flow only
Average flow only
Maximum flow only
Maximum and minimum flow

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Environmental Engineering
Settling velocity increases with

Temperature of liquid
Specific gravity of solid particles
Size of particles
Depth of tank

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