Exam (elaborations)
AE 497- EXAM 2 Questions And Answers Latest Update
- Course
- AE 497
- Institution
- Iowa State University
AE 497- EXAM 2 Questions And Answers Latest Update
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Solution 2024/2025Pepper
AE 497- EXAM 2 Questions And Answers Latest
Update
The pozzolanic reaction is a reaction that occurs between:
C3A and Water
CSH and C2S
C3S and CSH
CH and S ANS✔✔ CH and S
Fly Ash, Ground Blast Furnace slag, clays, and glass can be considered
SCMs? T/F ANS✔✔ True
________ (SCMs) are often materials that contain __________ (SiO4) and
__________ (________) where the ___________ is released to form __________ -
the strength-giving binder of concrete. ANS✔✔ supplementary cementitious
materials
silica
alumina
AlO4
silica
CSH
What is the role of CSH in concrete materials?
a- It helps with workability of the fresh state mixture
b- It provides strength to concrete
, Solution 2024/2025
Pepper
c- It is a non-load-bearing structure of concrete materials
d-It is a hydration product from C3A ANS✔✔ b- It provides strength to
concrete
What is the reason why clinker phases, such as alite, belite, celite, and
felite, react when mixed with water? ANS✔✔ defective crystal react readily
in water
Match the following correctly:
1. C3A
2. C4AF
3. C3S
4. C2S
a. Aluminate
b. Belite
c. Ferrite
d. Alite ANS✔✔ C3A- Aluminate
C4AF-Ferrite
C3S-Alite
C2S-Belite
You are constructing a masonry wall for structural purposes, what line-
cement-sand mortar type should you use? ANS✔✔ Type S
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