ACTUAL Exam Questions and CORRECT
Answers
The compressive strength of block is measured in_____. - CORRECT ANSWER - Pounds
per square inch
A purely decorative bond formed by masonry units and mortar joints on the face of a surface is
called a _____. - CORRECT ANSWER - Pattern bond
When setting up a line using line pins, the line pin should be driven securely into the lead joints
_____. - CORRECT ANSWER - At a 45-degree upward angle, several units always from
the corner
When using pressure-washing equipment to clean block, the NCMA recommends that the
distance from the tip to the masonry should be at least_____. - CORRECT ANSWER - 12
inches
When measuring the absorption rate of brick using the medicine-dropper test, the brick does not
need to be wetted if the time for absorption ______. - CORRECT ANSWER - Exceeds 1½
minutes
On a load bearing wall, the wythe must be bonding to its backing with rigid steel ties when using
the _____. - CORRECT ANSWER - Stack bond pattern
After laying a brick, the first check is always____. - CORRECT ANSWER - Plumb
When using high-pressure water washing to clean brick, the BIA recommends that nozzle
pressure not exceed____. - CORRECT ANSWER - 300 psi
, When cutting with the mason's hammer, one the masonry unit has been scored,_____. -
CORRECT ANSWER - Place the scored block on top of another block so that the waste
part hangs free
When cutting a concrete masonry unit with a masonry hammer, the block should not be
placed____. - CORRECT ANSWER - In your hand
The device used to cut masonry units by exerting tremendous force through gearing and
hydraulic power is called a ____. - CORRECT ANSWER - Splitter
When using a wet-cut saw to cut masonry units, mark the cutting lines using a____. - CORRECT
ANSWER - Grease pencil
The maximum distance that anchors should be spaced on center vertically is ____. - CORRECT
ANSWER - 18 inches
A control joint in concrete masonry walls replace a standard mortar joint approximately
every____. - CORRECT ANSWER - 20 feet
The number of types that ASTM classifies concrete masonry units (block) into is____. -
CORRECT ANSWER - six
The amount of weight a block can support without collapsing is its___. - CORRECT
ANSWER - Compressive strength
Uncored load bearing block is available in grade(s)____. - CORRECT ANSWER - N and
S
Nonstructural concrete block has a minimum compressive strength of ____. - CORRECT
ANSWER - 500 psi