Title: Dams Self Assessment
Course: 2016FA-MCO-115-401

Please read the question and possible answers carefully. Provide the best possible answer.

Q: A gravity dam is curved in an arch towards the water flow, and is often made of concrete.
- True
- False
A: False
If right: Great! This more closely describes an arch dam.
If wrong: The correct answer is false. This description more closely describes an arch dam.

Q: A gravity dam is low maintenance with high performance. They are typically made of solid concrete.
- True
- False
A: True
If right: Correct.
If wrong: No, this is true. Gravity dams are low maintenance, high performance dams that are made of solid concrete.

Q: Before building a dam the chosen location's environment must be studied and a ____________ is usually hired to perform an analysis of the site to see if it is capable of safely supporting a dam.
- geologist
- meteorologist
- archaeologist
- sociologist
A: geologist
If right: Correct. A geologist studies the Earth's history through its structure, in particular they study rocks and minerals.
If wrong: That is incorrect. A geologist studies the Earth's history through its structure, in particular they study rocks and minerals.

Q: Dams often have benefits beyond the purpose of containing and managing water.
- True
- False
A: True
If right: Good! This is true, many dams provide recreational facilities.
If wrong: Incorrect. This is true, many dams provide recreational facilities.

Q: The Hoover Dam is an example of an arch-gravity dam.
- True
- False
A: True
If right: Correct!
If wrong: This is true. The Hoover Dam is an arch-gravity dam.

Q: The dam sector has interdependencies with _____________________________________________________.
- all of these
- food and agriculture sector
- transportation systems sector
- water and wastewater systems sector
A: all of these
If right: That is correct!
If wrong: That is not correct. The correct answer is all of these.

Q: The dams sector includes dams, __________________________________________.
- hydroelectric plants
- levees
- dikes
- coal fired power plants
- all of these except D
A: all of these except D
If right: Great! That is correct.
If wrong: The correct answer is E - all of these except coal fired power plants

Q: There are only two types of dams, the cofferdam used to build a permanent dam and the gravity dam the dam that is used permanently.
- True
- False
A: False
If right: Correct! There are at least three types of dams in addition to cofferdams. Some dams even combine more than one type to form a type of hybrid dam.
If wrong: Incorrect, this is false. There are at least three types of dams in addition to cofferdams. Some dams even combine more than one type to form a type of hybrid dam.