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Environmental Engineering

Environmental Engineering
Period of cleaning of slow sand filters is about

1 - 2 year
10 - 12 days
24 - 48 hours
2 - 3 months

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Environmental Engineering
The suitable method of forecasting population for a young and rapidly increasing city is

Arithmetical increase method
Incremental increase method
Geometrical increase method
Graphical method

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Environmental Engineering
The working conditions in imhoff tanks are

Aerobic only
Aerobic in lower compartment and anaerobic in upper compartment
anaerobic in lower compartment and aerobic in upper compartment
Anaerobic only

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

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

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Environmental Engineering
For a given discharge, the efficiency of sedimentation tank can be increased by

Increasing the depth of tank
Decreasing the depth of tank
Increasing the surface area of tank
Decreasing the surface area of tank

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Environmental Engineering
Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the

Residual chlorine in water
Turbidity in water
Dissolved oxygen in water
Hardness in water

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MORE MCQ ON Environmental Engineering

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