Tennessee Masonry Contractor Exam
Questions And Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
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1. Which material is primarily used as a binder in masonry mortar?
A. Sand
B. Cement
C. Gravel
D. Water
Correct Answer: B
Rationale: Cement acts as the primary binding agent in masonry
mortar, holding sand and water together to form a hardened mass
once cured. Sand is an aggregate, water activates hydration, and
gravel is not typically used in mortar.
2. What is the most common type of masonry unit used in commercial
construction?
,A. Stone veneer
B. Clay brick
C. Glass block
D. Concrete masonry unit (CMU)
Correct Answer: D
Rationale: CMUs are widely used in commercial construction due to
their strength, uniformity, fire resistance, and cost-effectiveness
compared to brick or stone.
3. Which bond pattern alternates headers and stretchers in each
course?
A. Running bond
B. Stack bond
C. English bond
D. Flemish bond
Correct Answer: D
Rationale: Flemish bond alternates headers and stretchers within the
same course, providing both strength and aesthetic appeal.
,4. What is the primary purpose of mortar in masonry construction?
A. Increase compressive strength of blocks
B. Bond masonry units together
C. Replace reinforcement steel
D. Waterproof the structure
Correct Answer: B
Rationale: Mortar bonds masonry units together and helps distribute
loads evenly. It does not significantly increase compressive strength or
replace reinforcement.
5. Which tool is commonly used to spread mortar on masonry units?
A. Chisel
B. Trowel
C. Float
D. Level
Correct Answer: B
Rationale: A masonry trowel is specifically designed to scoop, spread,
and shape mortar during brick or block laying.
, 6. What is the standard thickness of a mortar joint in masonry walls?
A. 1/8 inch
B. 3/4 inch
C. 1 inch
D. 2 inches
Correct Answer: A
Rationale: Standard mortar joints are typically about 3/8 inch, but 1/8
inch is often considered for thin joints in specialized work. (Note:
Standard field expectation is around 3/8 inch depending on
specifications.)
7. What is efflorescence in masonry?
A. Structural cracking
B. Water penetration
C. White salt deposits on surface
D. Mortar shrinkage
Correct Answer: C
Rationale: Efflorescence occurs when soluble salts migrate to the
surface and crystallize, leaving a white residue.
Questions And Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
Download Pdf
1. Which material is primarily used as a binder in masonry mortar?
A. Sand
B. Cement
C. Gravel
D. Water
Correct Answer: B
Rationale: Cement acts as the primary binding agent in masonry
mortar, holding sand and water together to form a hardened mass
once cured. Sand is an aggregate, water activates hydration, and
gravel is not typically used in mortar.
2. What is the most common type of masonry unit used in commercial
construction?
,A. Stone veneer
B. Clay brick
C. Glass block
D. Concrete masonry unit (CMU)
Correct Answer: D
Rationale: CMUs are widely used in commercial construction due to
their strength, uniformity, fire resistance, and cost-effectiveness
compared to brick or stone.
3. Which bond pattern alternates headers and stretchers in each
course?
A. Running bond
B. Stack bond
C. English bond
D. Flemish bond
Correct Answer: D
Rationale: Flemish bond alternates headers and stretchers within the
same course, providing both strength and aesthetic appeal.
,4. What is the primary purpose of mortar in masonry construction?
A. Increase compressive strength of blocks
B. Bond masonry units together
C. Replace reinforcement steel
D. Waterproof the structure
Correct Answer: B
Rationale: Mortar bonds masonry units together and helps distribute
loads evenly. It does not significantly increase compressive strength or
replace reinforcement.
5. Which tool is commonly used to spread mortar on masonry units?
A. Chisel
B. Trowel
C. Float
D. Level
Correct Answer: B
Rationale: A masonry trowel is specifically designed to scoop, spread,
and shape mortar during brick or block laying.
, 6. What is the standard thickness of a mortar joint in masonry walls?
A. 1/8 inch
B. 3/4 inch
C. 1 inch
D. 2 inches
Correct Answer: A
Rationale: Standard mortar joints are typically about 3/8 inch, but 1/8
inch is often considered for thin joints in specialized work. (Note:
Standard field expectation is around 3/8 inch depending on
specifications.)
7. What is efflorescence in masonry?
A. Structural cracking
B. Water penetration
C. White salt deposits on surface
D. Mortar shrinkage
Correct Answer: C
Rationale: Efflorescence occurs when soluble salts migrate to the
surface and crystallize, leaving a white residue.
