NYC Health + Hospitals Mason Exam
Practice Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. Which masonry unit is most commonly made from Portland cement,
water, and aggregates and used for structural walls?
A. Brick veneer
B. Concrete masonry unit
C. Clay tile
D. Stone slab
Answer: B. Concrete masonry unit
Concrete masonry units are manufactured from cement and aggregates
and are widely used for load-bearing and non-load-bearing walls because
of their strength and durability.
2. What is the primary purpose of mortar in masonry construction?
A. To waterproof all surfaces completely
B. To increase the weight of the wall
C. To bond masonry units together and distribute loads
D. To replace reinforcement steel
Answer: C. To bond masonry units together and distribute loads
,Mortar holds masonry units together, fills joints, accommodates minor
movement, and helps transfer loads between units.
3. Which tool is primarily used to spread mortar when laying bricks?
A. Brick hammer
B. Mason’s trowel
C. Level
D. Chisel
Answer: B. Mason’s trowel
A mason’s trowel is designed for picking up, spreading, and shaping
mortar during masonry work.
4. What instrument is used to check whether a wall or surface is
perfectly vertical?
A. Tape measure
B. Plumb bob
C. Chalk line
D. Joiner
Answer: B. Plumb bob
A plumb bob uses gravity to establish a true vertical line and helps masons
construct straight walls.
5. What type of bond is commonly used where the visible face of a brick
wall shows alternating headers and stretchers?
A. Running bond
B. Stack bond
C. English bond
D. Garden wall bond
Answer: C. English bond
,English bond alternates courses of headers and stretchers, creating a
strong traditional masonry pattern.
6. Which material is commonly added to mortar to improve workability
and water retention?
A. Lime
B. Gravel
C. Steel
D. Asphalt
Answer: A. Lime
Lime improves mortar plasticity, making it easier to spread and helping it
retain moisture during curing.
7. What is the purpose of a masonry control joint?
A. To increase wall thickness
B. To allow controlled cracking from movement
C. To eliminate the need for mortar
D. To strengthen paint coatings
Answer: B. To allow controlled cracking from movement
Control joints accommodate shrinkage and movement so cracking occurs
in planned locations rather than randomly.
8. Which personal protective equipment is most important when cutting
masonry materials?
A. Safety glasses
B. Earphones only
C. Loose clothing
D. Jewelry
Answer: A. Safety glasses
, Safety glasses protect the eyes from flying chips, dust, and fragments
created during masonry cutting operations.
9. Portland cement is primarily used in masonry because it:
A. Dissolves brick surfaces
B. Provides binding strength
C. Prevents all water penetration
D. Replaces aggregates
Answer: B. Provides binding strength
Portland cement reacts with water and hardens, creating the binding
component of concrete and mortar.
10. What is the recommended method for checking whether a
masonry wall is level?
A. Use a spirit level
B. Use a hammer
C. Use a shovel
D. Use a measuring wheel
Answer: A. Use a spirit level
A spirit level determines whether a horizontal surface is even and properly
aligned.
11. What does curing allow concrete or mortar to do?
A. Dry instantly
B. Develop strength through hydration
C. Become completely flexible
D. Change color permanently
Answer: B. Develop strength through hydration
Practice Questions And Correct Answers
(Verified Answers) Plus Rationale 2026
Q&A| Instant Download Pdf
1. Which masonry unit is most commonly made from Portland cement,
water, and aggregates and used for structural walls?
A. Brick veneer
B. Concrete masonry unit
C. Clay tile
D. Stone slab
Answer: B. Concrete masonry unit
Concrete masonry units are manufactured from cement and aggregates
and are widely used for load-bearing and non-load-bearing walls because
of their strength and durability.
2. What is the primary purpose of mortar in masonry construction?
A. To waterproof all surfaces completely
B. To increase the weight of the wall
C. To bond masonry units together and distribute loads
D. To replace reinforcement steel
Answer: C. To bond masonry units together and distribute loads
,Mortar holds masonry units together, fills joints, accommodates minor
movement, and helps transfer loads between units.
3. Which tool is primarily used to spread mortar when laying bricks?
A. Brick hammer
B. Mason’s trowel
C. Level
D. Chisel
Answer: B. Mason’s trowel
A mason’s trowel is designed for picking up, spreading, and shaping
mortar during masonry work.
4. What instrument is used to check whether a wall or surface is
perfectly vertical?
A. Tape measure
B. Plumb bob
C. Chalk line
D. Joiner
Answer: B. Plumb bob
A plumb bob uses gravity to establish a true vertical line and helps masons
construct straight walls.
5. What type of bond is commonly used where the visible face of a brick
wall shows alternating headers and stretchers?
A. Running bond
B. Stack bond
C. English bond
D. Garden wall bond
Answer: C. English bond
,English bond alternates courses of headers and stretchers, creating a
strong traditional masonry pattern.
6. Which material is commonly added to mortar to improve workability
and water retention?
A. Lime
B. Gravel
C. Steel
D. Asphalt
Answer: A. Lime
Lime improves mortar plasticity, making it easier to spread and helping it
retain moisture during curing.
7. What is the purpose of a masonry control joint?
A. To increase wall thickness
B. To allow controlled cracking from movement
C. To eliminate the need for mortar
D. To strengthen paint coatings
Answer: B. To allow controlled cracking from movement
Control joints accommodate shrinkage and movement so cracking occurs
in planned locations rather than randomly.
8. Which personal protective equipment is most important when cutting
masonry materials?
A. Safety glasses
B. Earphones only
C. Loose clothing
D. Jewelry
Answer: A. Safety glasses
, Safety glasses protect the eyes from flying chips, dust, and fragments
created during masonry cutting operations.
9. Portland cement is primarily used in masonry because it:
A. Dissolves brick surfaces
B. Provides binding strength
C. Prevents all water penetration
D. Replaces aggregates
Answer: B. Provides binding strength
Portland cement reacts with water and hardens, creating the binding
component of concrete and mortar.
10. What is the recommended method for checking whether a
masonry wall is level?
A. Use a spirit level
B. Use a hammer
C. Use a shovel
D. Use a measuring wheel
Answer: A. Use a spirit level
A spirit level determines whether a horizontal surface is even and properly
aligned.
11. What does curing allow concrete or mortar to do?
A. Dry instantly
B. Develop strength through hydration
C. Become completely flexible
D. Change color permanently
Answer: B. Develop strength through hydration
