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Environmental Engineering

Environmental Engineering
The layout of distribution system in which water flows towards the outer periphery is

Ring system
Dead end system
Grid iron system
Radial system

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Environmental Engineering
The devices which are installed for drawing water from the sources are called

Aquifers
Filters
Intakes
Aquiclude

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Environmental Engineering
Air binding phenomena in rapid sand filters occur due to

Mud ball formation
Higher turbidity in the effluent
Excessive negative head
Low temperature

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Environmental Engineering
The chemical most commonly used to increase speed of sedimentation of sewage is

Sodium permanganate
Lime
Copper sulphate
Sulphuric acid

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Environmental Engineering
On standard silica scale, the turbidity in drinking water should be limited to

20 ppm
10 ppm
50 ppm
30 ppm

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Environmental Engineering
Sewage treatment units are designed for

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

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MORE MCQ ON Environmental Engineering

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