WorksheetsAbout Concrete
Total questions: 5
Worksheet time: 4mins
Name
Class
Date
1.
Cement, water, sand, and coarse aggregate are four basic ingredients of concrete mix.
a)
Yes
b)
No
2.
Cement mortar is produced by mixing cement and water.
a)
Yes
b)
No
3.
Concrete is weak (can crack easily) to which of the following forces/actions?
a)
Compression
b)
Tension
c)
Heat
d)
Freezing
4.
What are the four major oxides found in Portland cement?
a)
SiO2, TiO2, CO2, Al2O3
b)
SiO2, CaO, Na2O, Al2O3
c)
SiO2, SO3, Fe2O3, Al2O3
d)
SiO2, CaO, Fe2O3, Al2O3
5.
When the water/cement ratio of concrete increases (e.g. higher amount of water or lower amount of cement), the concrete will be stronger (strength is higher).
a)
Yes
b)
No
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