Masonry Contractor Exam Questions and
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant Download Pdf
1. Which type of mortar is most commonly used for general-purpose
masonry construction?
a. Type K
b. Type N
c. Type S
d. Type M
b. Type N
Type N mortar is a medium-strength mortar used for general-purpose
exterior and above-grade walls. It offers good bonding and
workability while maintaining moderate compressive strength
suitable for most residential and commercial masonry work.
2. What is the primary function of a bond beam in masonry
construction?
a. Provide vertical support
b. Distribute horizontal loads
, c. Improve insulation
d. Act as a decorative feature
b. Distribute horizontal loads
Bond beams help distribute lateral and horizontal loads across a
masonry wall. They are reinforced concrete or masonry elements
integrated into walls to enhance structural integrity, particularly in
high or load-bearing walls.
3. Which of the following is a common type of masonry unit?
a. Portland cement
b. Concrete block
c. Reinforcing bar
d. Structural steel
b. Concrete block
Concrete blocks, bricks, and stone are standard masonry units used in
construction. These units provide structural support and are bonded
together using mortar to form walls and other structures.
4. The standard size of a modular brick in the United States is:
a. 2 × 4 × 8 inches
b. 3 × 4 × 7.5 inches
c. 2 1/4 × 3 5/8 × 7 5/8 inches
d. 2 × 3 × 6 inches
,c. 2 1/4 × 3 5/8 × 7 5/8 inches
This modular brick size includes the intended mortar joint thickness,
allowing for consistent wall dimensions and alignment in masonry
construction.
5. What is the main purpose of control joints in concrete masonry
walls?
a. Reduce moisture penetration
b. Allow for movement and prevent cracking
c. Improve aesthetics
d. Support vertical loads
b. Allow for movement and prevent cracking
Control joints are intentionally placed gaps in masonry to allow
expansion and contraction of materials due to temperature changes,
preventing random cracking in walls.
6. What type of brick bond provides maximum wall strength by
alternating headers and stretchers in each course?
a. Running bond
b. Flemish bond
c. Stack bond
d. English bond
, d. English bond
English bond alternates courses of headers and stretchers, providing
superior structural strength and stability for load-bearing masonry
walls.
7. Which of the following tools is used to finish mortar joints?
a. Trowel
b. Jointer
c. Brick hammer
d. Level
b. Jointer
Jointers are used to smooth and shape mortar joints after laying bricks
or blocks, which improves appearance and helps seal the joints
against water penetration.
8. What is efflorescence in masonry?
a. Rust on steel reinforcement
b. White powdery deposit on the surface of masonry
c. Cracking due to seismic activity
d. Spalling of bricks
b. White powdery deposit on the surface of masonry
Efflorescence occurs when soluble salts in the masonry or mortar
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant Download Pdf
1. Which type of mortar is most commonly used for general-purpose
masonry construction?
a. Type K
b. Type N
c. Type S
d. Type M
b. Type N
Type N mortar is a medium-strength mortar used for general-purpose
exterior and above-grade walls. It offers good bonding and
workability while maintaining moderate compressive strength
suitable for most residential and commercial masonry work.
2. What is the primary function of a bond beam in masonry
construction?
a. Provide vertical support
b. Distribute horizontal loads
, c. Improve insulation
d. Act as a decorative feature
b. Distribute horizontal loads
Bond beams help distribute lateral and horizontal loads across a
masonry wall. They are reinforced concrete or masonry elements
integrated into walls to enhance structural integrity, particularly in
high or load-bearing walls.
3. Which of the following is a common type of masonry unit?
a. Portland cement
b. Concrete block
c. Reinforcing bar
d. Structural steel
b. Concrete block
Concrete blocks, bricks, and stone are standard masonry units used in
construction. These units provide structural support and are bonded
together using mortar to form walls and other structures.
4. The standard size of a modular brick in the United States is:
a. 2 × 4 × 8 inches
b. 3 × 4 × 7.5 inches
c. 2 1/4 × 3 5/8 × 7 5/8 inches
d. 2 × 3 × 6 inches
,c. 2 1/4 × 3 5/8 × 7 5/8 inches
This modular brick size includes the intended mortar joint thickness,
allowing for consistent wall dimensions and alignment in masonry
construction.
5. What is the main purpose of control joints in concrete masonry
walls?
a. Reduce moisture penetration
b. Allow for movement and prevent cracking
c. Improve aesthetics
d. Support vertical loads
b. Allow for movement and prevent cracking
Control joints are intentionally placed gaps in masonry to allow
expansion and contraction of materials due to temperature changes,
preventing random cracking in walls.
6. What type of brick bond provides maximum wall strength by
alternating headers and stretchers in each course?
a. Running bond
b. Flemish bond
c. Stack bond
d. English bond
, d. English bond
English bond alternates courses of headers and stretchers, providing
superior structural strength and stability for load-bearing masonry
walls.
7. Which of the following tools is used to finish mortar joints?
a. Trowel
b. Jointer
c. Brick hammer
d. Level
b. Jointer
Jointers are used to smooth and shape mortar joints after laying bricks
or blocks, which improves appearance and helps seal the joints
against water penetration.
8. What is efflorescence in masonry?
a. Rust on steel reinforcement
b. White powdery deposit on the surface of masonry
c. Cracking due to seismic activity
d. Spalling of bricks
b. White powdery deposit on the surface of masonry
Efflorescence occurs when soluble salts in the masonry or mortar
