UPDATED ACTUAL Exam Questions and
CORRECT Answers
The primary benefit of masonry components is their - CORRECT ANSWER - durability
and inherent resistance to weather, fire, and insects.
Drawbacks of masonry construction include - CORRECT ANSWER - long-term
deterioration of mortar joint, and labor intensiveness of laying individual units by hand.
Masonry units have no significant - CORRECT ANSWER - tensile strength.
This consists of rock pieces that have removed from a quarry and cut to the size and shape
desired. - CORRECT ANSWER - Stone masonry
Bricks are produced from a variety of locally available - CORRECT ANSWER - clays and
shales.
Most brick sizes: three courses (horizontal layers) of brick plus the intervening mortar joints
equals a height of - CORRECT ANSWER - 8 inches (200mm)
What are the most common concrete masonry units (DMUs). - CORRECT ANSWER -
Hollow concrete blocks
Most common size of Hollow concrete blocks is - CORRECT ANSWER - 8x8x16 inch
blocks (200 x 200 x 400 mm).
Hollow concrete blocks May be filled with "X" for added strength. - CORRECT
ANSWER - concrete or other material
, Fired clay blocks, known as - CORRECT ANSWER - structural terra cotta.
Mortar's primary function is to"X" into a solid mass - CORRECT ANSWER - bond
individual masonry
Mortar Serves to cushion the rough surfaces and permits "X"of the compressive load from unit to
unit - CORRECT ANSWER - uniform transmission
What are the weakest part of a brick wall? - CORRECT ANSWER - Mortar joints
Mortar is Available in 5 basic types of compressive strengths ranging from - CORRECT
ANSWER - 75 psi to 2500 psi.
MOST mortar is produced from a mixture of - CORRECT ANSWER - Portland cement,
hydrated lime, sand, and water.
Portland cement functions as the - CORRECT ANSWER - bonding agent.
Fire resistance of a masonry wall depends on the type of "X" used and the "Y"of the wall. -
CORRECT ANSWER - masonry units; thickness
Expansion of excess moisture within the masonry material resulting in tensile forces with the
material, causing it to break apart called? - CORRECT ANSWER - Spalling
What classification is of buildings with masonry components depends on the fire resistance of
the joist, beams, and rafters that span the exterior load-bearing walls and interior columns and
transfer the live loads of the building to those walls and columns. - CORRECT
ANSWER - The code classification