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Environmental Engineering

Environmental Engineering
As compared to cast iron pipes, steel pipes are

Less susceptible to corrosion
Stronger
Heavier
Costlier

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Environmental Engineering
The distribution mains are designed for

Maximum daily demand
Maximum hourly demand on maximum day
Maximum hourly demand
Average daily demand

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Environmental Engineering
Alum as a coagulant is found to be most effective when pH range of water is

4 to 6
2 to 4
6 to 8
8 to 10

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Environmental Engineering
Sewerage system is usually designed for

27 years
28 years
25 years
26 years

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Environmental Engineering
Orthotolidine test is used for determination of

Residual chlorine
Dissolved oxygen
Dose of coagulant
Biochemical oxygen demand

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Environmental Engineering
The process in which the chlorination is done beyond the break point is known as

Break point chlorination
Post chlorination
Super chlorination
Pre-chlorination

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MORE MCQ ON Environmental Engineering

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