
Concrete Midterm Exam
Quiz
•
Science, Other
•
University
•
Easy
passkorn khanthongthip
Used 3+ times
FREE Resource
47 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The mixture of cement, water, coarse aggregate and fine aggregate is called concrete.
True
False
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Clay is a source of SiO2 for cement production.
True
False
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The cements derived from the calcination of gypsum or calcium carbonates are nonhydraulic because their products of hydration are resistant to water.
True
False
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Sulfate can be added to the clinker during grinding to increase the quick-setting tendency of ground portland clinker.
True
False
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
C3A have large structural holes in their crystal structures. This results in low reactivity C3A.
True
False
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
MgO is less harmful than CaO for unsoundness because the oxygen ions are in close contact and the Mg2+ ions are well packed.
True
False
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
In addition to the compound composition, the fineness (surface area) of cement also affects its reactivity with water.
True
False
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