LESSON 1
PRACTICE EXERCISE
The following items will test your grasp of the material covered in this lesson. There is only one correct
answer to each item. When you complete the exercise, check your answer with the answer key that
follows. If you answer any item incorrectly, study again that part of the lesson that contains the portion
involved.
1.
Which types of portland cement are generally used in mortar?
A.
I and IV
B.
II and I
C.
II and I
D.
IV and V
2.
Which ingredient acts as a plasticizing agent in mortar?
A.
Water
B.
Calcium chloride
C.
Cement
D.
Lime
3.
Which aggregate component is used in mortar?
A.
Sand
B.
Clay
C.
Lime
D.
Silt
1-9
EN5157
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