LESSON 1
PRACTICE EXERCISE
ANSWER KEY AND FEEDBACK
Item
Correct Answer and Feedback
1.
B.
I and III
(page 1-2, para 1-2)
2.
D.
Lime
(page 1-2, para 1-3)
Cement provides the strength....
3.
A.
Sand
(page 1-2, para 1-4)
This permits the separate....
4.
B.
The mortar will become weaker.
(page 1-4, para 1-10)
5.
C.
Three times the cement and lime
(page 1-5, part C Introduction)
The volume of sand should ....
6.
B.
M
(page 1-5, para 1-11)
It is recommended specifically ....
7.
B.
To speed up the curing process
(page 1-3, para 1-7)
An accelerant is an agent ....
8.
B.
When the mortar stiffens
(page 1-7, para 1-18)
If the mortar has become ....
9.
A.
When mortar is mixed by hand
(page 1-6, para 1-16)
A mortar box is used ....
1-12
EN5157
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