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Environmental Engineering

Environmental Engineering
Sewerage system is usually designed for

26 years
28 years
25 years
27 years

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Environmental Engineering
Which of the following is not a water borne disease?

Typhoid
Malaria
Dysentery
Cholera

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Environmental Engineering
The slope of sewer shall be

Steeper than 1 in 20
Given in the direction of natural slope of ground
Zero
Given in the direction opposite to natural slope of ground

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Environmental Engineering
The pipe which is used to carry the discharge from sanitary fittings like bath rooms, kitchens etc. is called

Anti-siphonage pipe
Vent pipe
Waste pipe
Soil pipe

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Environmental Engineering
For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be

X/4
2X
X/2
X

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Environmental Engineering
The suitable method for disinfection of swimming pool water is

Chlorination
By using potassium permanganate
Lime treatment
Ultra violet rays treatment

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