MASONRY LEVEL ONE MODULE 28104-13 Latest Questions and Graded Answers

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MASONRY LEVEL ONE MODULE
28104-13 Latest Questions and
Graded Answers
The approximate percentage of a masonry structure's
surface represented by mortar is around?
A) 1 percent
b) 5 percent
c) 20 percent
d) 40 percent
Ans: c) 20 percent

Of the materials used in mortar, the one that is least uniform
is:
a) lime
b) Portland cement
c) water
d) sand
Ans: d) sand

The packaged mortar that includes measured quantities of
all needed materials except water is called:
a) preblended mortar
b) ready-mix mortar
c) masonry cement
d) mortar blend


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Ans: a) preblended mortar

Water that is used in mortar must be:
a) filtered
b) potable
c) between 40 degrees and 70 degrees f
d) purified
Ans: b) potable

ASTM specifies that Type S mortar must withstand a
compression of at least
a) 750 psi
b) 1,250 psi
c) 1,800 psi
d) 2,500 psi
Ans: c) 1,800 psi

How well mortar sticks to itself is referred to as:
a) cohesion
b) compressive strength
c) adhesion
d) tensile strength
Ans: a) cohesion

Mortar and masonry units form a bond that is basically:
a) frictional


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