4.
What will be the effect on a block wall if there is poor water retention when mixing the mortar?
A.
The mortar will take longer to set.
B.
The mortar bond will become weaker.
C.
The mortar bond will become stronger.
D.
The mortar joints will be easier to tool.
5.
In mortar, what is the maximum amount of sand, that you can add to the combined volume of
cement and line?
A.
One times the cement and lime
B.
Two times the cement and lime
C.
Three times the cement and lime
D.
Four times the cement and lime
6.
Which mortar is recommended for structures that are below grade and in contact with the earth?
A.
S
B.
M
C.
N
D.
O
1-10
EN5157
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