Water Treatment
Waste Water Treatment
Solid Waste Disposal
Highway Engineering
Tunnel Engineering
100

Water found in nature that must be treated before use.

What is raw water?

100

The place where 25% of houses in America send their waste water after use before treatment.

What is a Septic Tank?

100

The new system we use that replaced simple and ineffective Garbage Dumps.

What is a Sanitary Landfill?

100

The type of roads in residential and commercial areas.

What are Local?

100

The mechanical properties of soil.

What are Soil Mechanics?

200

The method of water treatment that removes salt and other impurities from salt water.

What is Desalination?

200

The place where 75% of houses send their waste water after use before treatment.

What is a Sanitary Sewer System?

200

The type of material that is most easily recycled.

What are Metals?

200

The type of roads that connect long distance roads and roads in commercial areas.

What is Collector?

200

The way you extract soil to test its properties before constructing a tunnel.

What is Drilling Boreholes?

300

The step in water treatment that kills viruses and bacteria present in the water, typically by using chlorine.

What is Disinfection?

300

The location of the treatment plant for waste water in a town.

What is the lowest point of elevation in town?

300

The drawbacks to incineration as a form of solid waste disposal.

What are toxic ash and emissions?

300

Type of roads used for long distance travel.

What is Arterial?

300

The type of tunnels used close to the surface.

What is Cut and Cover?

400

The step of water treatment that uses a filter consisting of a series of horizontal layers of sand, gravel, and coal.

What is Filtration?

400

Tank in the waste water treatment process that stirs the waste very slowly and settles the various impurities into layers.

What is a Sedimentation Tank?

400

The plastic protective layer that goes on top of the bottom layer of clay.

What is a Geo-Membrane?

400

The procedure necessary to determine how many lanes are needed for a highway.

What is a Traffic Study?

400

Type of tunnel that is constructed with a tunnel boring machine and use access points on the surface.

What is a Bored Tunnel?

500

This step of water treatment uses a series of progressively smaller and smaller grates to remove trash, weeds, leaves, etc.

What is Clarification?

500

The substance that must be added into the water before it is put back into the environment.

What is Oxygen?

500

The hazardous liquid formed when rainwater percolates through decomposing waste.

What is Leachate?

500

The specific path the road will take as viewed from above.

What is Alignment?

500

The type of tunnel constructed by submerging segments of tunnel and connecting them.

What is Immersed Tube?

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