AL MA Masonry Contractor Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2027
Q&A | Instant Download Pdf
1. What is the primary purpose of mortar in masonry construction?
A. To increase the weight of the wall
B. To bond masonry units and accommodate minor irregularities
C. To replace reinforcing steel
D. To eliminate the need for foundations
Answer: B. To bond masonry units and accommodate minor irregularities
Rationale: Mortar bonds masonry units together, distributes loads, seals
joints, and accommodates small dimensional variations between units.
2. Which mortar type generally provides the highest compressive
strength among Types M, S, N, and O?
,A. Type O
B. Type N
C. Type S
D. Type M
Answer: D. Type M
Rationale: Type M mortar is formulated for high compressive strength and
is commonly used where substantial compressive loads or below-grade
applications require stronger mortar.
3. Which mortar type is commonly used for general-purpose above-
grade masonry?
A. Type N
B. Type M
C. Type K
D. Type S
Answer: A. Type N
Rationale: Type N is commonly used for general-purpose exterior and
interior above-grade masonry where moderate strength and good
workability are required.
4. What is the primary function of a masonry wall’s foundation?
,A. Provide decorative appearance
B. Transfer wall loads safely to the supporting soil
C. Reduce mortar consumption
D. Eliminate moisture movement
Answer: B. Transfer wall loads safely to the supporting soil
Rationale: The foundation distributes the loads from the masonry structure
into the soil while providing a stable base.
5. What is a “course” of masonry?
A. A vertical reinforcing bar
B. A horizontal layer of masonry units
C. A mortar joint at a corner
D. A foundation footing
Answer: B. A horizontal layer of masonry units
Rationale: A course is a continuous horizontal layer of masonry units such
as brick, block, or stone.
6. What is a “wythe” in masonry construction?
A. A vertical section or thickness of masonry units
B. A type of mortar
, C. A flashing material
D. A foundation drain
Answer: A. A vertical section or thickness of masonry units
Rationale: A wythe is a continuous vertical section of masonry one unit in
thickness, although a wall may contain multiple wythes.
7. What is the purpose of a bond pattern in brick masonry?
A. To eliminate all mortar joints
B. To arrange units so the wall acts together structurally
C. To reduce brick color variation
D. To waterproof the foundation
Answer: B. To arrange units so the wall acts together structurally
Rationale: Bond patterns distribute loads and provide structural continuity
by properly overlapping masonry units.
8. Which brick bond is characterized by alternating courses of headers
and stretchers?
A. English bond
B. Running bond
C. Stack bond
D. Garden wall bond
Practice Questions And Correct Answers
(Verified Answers) Plus Rationales 2027
Q&A | Instant Download Pdf
1. What is the primary purpose of mortar in masonry construction?
A. To increase the weight of the wall
B. To bond masonry units and accommodate minor irregularities
C. To replace reinforcing steel
D. To eliminate the need for foundations
Answer: B. To bond masonry units and accommodate minor irregularities
Rationale: Mortar bonds masonry units together, distributes loads, seals
joints, and accommodates small dimensional variations between units.
2. Which mortar type generally provides the highest compressive
strength among Types M, S, N, and O?
,A. Type O
B. Type N
C. Type S
D. Type M
Answer: D. Type M
Rationale: Type M mortar is formulated for high compressive strength and
is commonly used where substantial compressive loads or below-grade
applications require stronger mortar.
3. Which mortar type is commonly used for general-purpose above-
grade masonry?
A. Type N
B. Type M
C. Type K
D. Type S
Answer: A. Type N
Rationale: Type N is commonly used for general-purpose exterior and
interior above-grade masonry where moderate strength and good
workability are required.
4. What is the primary function of a masonry wall’s foundation?
,A. Provide decorative appearance
B. Transfer wall loads safely to the supporting soil
C. Reduce mortar consumption
D. Eliminate moisture movement
Answer: B. Transfer wall loads safely to the supporting soil
Rationale: The foundation distributes the loads from the masonry structure
into the soil while providing a stable base.
5. What is a “course” of masonry?
A. A vertical reinforcing bar
B. A horizontal layer of masonry units
C. A mortar joint at a corner
D. A foundation footing
Answer: B. A horizontal layer of masonry units
Rationale: A course is a continuous horizontal layer of masonry units such
as brick, block, or stone.
6. What is a “wythe” in masonry construction?
A. A vertical section or thickness of masonry units
B. A type of mortar
, C. A flashing material
D. A foundation drain
Answer: A. A vertical section or thickness of masonry units
Rationale: A wythe is a continuous vertical section of masonry one unit in
thickness, although a wall may contain multiple wythes.
7. What is the purpose of a bond pattern in brick masonry?
A. To eliminate all mortar joints
B. To arrange units so the wall acts together structurally
C. To reduce brick color variation
D. To waterproof the foundation
Answer: B. To arrange units so the wall acts together structurally
Rationale: Bond patterns distribute loads and provide structural continuity
by properly overlapping masonry units.
8. Which brick bond is characterized by alternating courses of headers
and stretchers?
A. English bond
B. Running bond
C. Stack bond
D. Garden wall bond
