Hoover Dam Quiz

In honor of Hoover Dam's 75th anniversary take this short trivia quiz.

1. How many cubic yards of concrete was used on the Hoover Dam?

   1. 4.4 million
   2. 1.4 billion
   3. 4.4 billion
   4. 1.4 million

2. About how many people worked on the project?

   1. 1,000
   2. 5,000
   3. 10,000
   4. 15,000

3. How long did it take to build?

   1. 1 year
   2. 5 years
   3. 7 years
   4. 15 years

4. How much did it cost to build in the 1930’s? How much would it cost now?

   1. $2 million, $30 million
   2. $20 million, $304 million
   3. $33 million, $502 million
   4. $49 million, $746 million

5. How long did it take the concrete to cure?

   1. 11 months
   2. 10 years
   3. It is still curing
   4. It will never finish curing

6. What was its original name?

   1. Boulder Dam
   2. Canyon Dam
   3. Glen Canyon Dam
   4. Theodoore Roosevelt Dam

7. How many companies were originally contracted to build it?

   1. 1
   2. 2
   3. 6
   4. 8

8. Why was it built?

   1. To stop flooding
   2. Furnish electricity in Nevada and Arizona
   3. Furnish electricity in Southern California
   4. All of the above

9. On average how many kilowatt-hours are generated each year?

   1. 200
   2. 1000
   3. 4 billion
   4. 10 million

10. What safety device was invented on the project?

    1. Safety Goggles
    2. Hard Hat
    3. Work Gloves
    4. Fall protection