the quiz

Concrete is strong in ____________________ .
tension compression
There are only advantages to building dams.
true false
A material's resistance to cracking is called _________________________ .
stress intensity factor crack resistance Hedgecock grade
The ingredients in concrete are (check all that apply):
glue
water
aggregate
wood
cement
plastic
___________________ dams resist the force of the water entirely by their own weight.
Arch Buttress Gravity Embankment
The Fish and Game commissioners of one of the states of the US were in favor of breaching dams on the Snake River to save salmon. This year, their director told them not to say that anymore so they could get money from a Governor who is not in favor of dam breaching. It has been recommended that this director be fired. What state is this in?
Arizona Washington Pennsylvania Idaho
The simulation shows you ______________________ of your model.
rainbows stress contours cracked shadings
What kind of dam failed in the 1970's, killed 125 people and leaving 4000 homeless?
tailings arch earth gravity