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Environmental Engineering

Environmental Engineering
Orthotolidine test is used for determination of

Dissolved oxygen
Residual chlorine
Biochemical oxygen demand
Dose of coagulant

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Environmental Engineering
Chlorine demand of water is equal to

Sum of applied and residual chlorine
Applied chlorine
Residual chlorine
Difference of applied and residual chlorine

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Environmental Engineering
Most suitable section of sewer in separate sewage system is

Rectangular section
Standard form of egg shaped sewer
Modified egg shaped section
Circular section

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Environmental Engineering
Sewerage system is designed for

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

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Environmental Engineering
A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called

House sewer
Main sewer
Lateral sewer
Sub-main sewer

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

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

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