University of Houston

CNST 4345

Quiz 3

1)How are aggregate moisture tests performed and documented is part of?

2. Air-entraining admixtures are?
3. Long term compressive strength of concrete using Type III Portland cement is higher than with Type I Portland cement (general purposes)
4. The higher of ambient temperature is, the shorter setting time will be
5. Air-entraining admixtures are primarily used to stabilize tiny air bubbles in concrete.
6. Type of Chemical Admixtures
7. What minimum percentage of water reduction must be obtained for an admixture to be classified as a Type A (water reducing) admixture?
8. Which of the following benefits are attributed to the use of retarding admixtures?
9. The engineer of record develops the proposed mix designs based on the project specifications

10. Cement Types