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Environmental Engineering

Environmental Engineering
The most common cause of acidity in water is

Carbon dioxide
Nitrogen
Oxygen
Hydrogen

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Environmental Engineering
The suitable layout of a distribution system for irregularly growing town is

Dead end system
Grid iron system
Radial system
Ring system

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Environmental Engineering
Settling velocity increases with

Specific gravity of solid particles
Depth of tank
Size of particles
Temperature of liquid

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Environmental Engineering
The type of valve which allows water to flow in one direction but prevents its flow in the reverse direction is

Reflux valve
Pressure relief valve
Air relief valve
Sluice valve

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Environmental Engineering
The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is

Equal to HMD when flowing full
Greater than HMD when flowing full
None of these
Less than HMD when flowing full

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

Intakes
Aquifers
Filters
Aquiclude

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MORE MCQ ON Environmental Engineering

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