Name: _________________________

Instructions: Answer as many questions as you can. If you attended class today, it is not necessary to answer all questions in order to earn extra credit. If you had an excused absence and are taking this quiz as a make-up, you must answer all questions.

1.

Sketch each of the following. Try to list at least one advantage and one disadvantage for each.

Type of Bridge

Sketch

Advantage(s)

Disadvantage(s)

beam (not described in video)

post and beam

stone arch

truss

cantilever

suspension

cable-stayed

2.

Which of the bridge types listed above depends primarily on the rigidity of triangles? __________________

3.

State the literal meaning of the word "pontifex" or "pontiff" (pope): ___________________

4.

In what year was the first cast-iron arch bridge constructed? _______

5.

What was unusual about the working habits of the first chief engineer of the Brooklyn Bridge, John Roebling? __________________________________________

. . . of the second chief engineer, Washington Roebling? ______________________

_________________________________________________________________

6.

What is a caisson? __________________________________________________

7.

Explain why air locks were needed for the caissons. _________________________

_________________________________________________________________

8.

What is another name for "caisson’s disease"? ____________

9.

How long was the Brooklyn Bridge under construction? ____________

10.

What famous engineer designed the spectacular 400-foot high wrought-iron "Garabit" arch bridge that was built in 1884? _____________________

11.

Define the term "anchorage": _________________________________ What would happen if one were to fail? _____________________________________________

12.

Where were the Golden Gate Bridge’s cables spun? _______________________

13.

Approximately how many men joined the Halfway to Hell Club? ___________

14.

In what year was the Golden Gate Bridge completed? __________

15.

What happened to the Tacoma Narrows Bridge? ___________________________ What was the cause? __________________________________________

16.

What is the official name of the color of the Golden Gate Bridge? ________________