Question 1

Which of the following materials increases the mortar's compressive strength?

Accepted Answer

A) Portland cement 
B) Mortar joint profile 
C) Sand 
D) Lime 
E) All of the above 
A) Portland cement 
B) Mortar joint profile 
C) Sand 
D) Lime 
E) All of the above A

Question 2

Why is mortar color an important factor in the aesthetics of a masonry wall?

Accepted Answer

Because the area occupied by mortar in a typical masonry wall façade is approximately 20%.

Question 3

The mortar with the highest compressive strength is

Accepted Answer

A) Type 1. 
B) Type P. 
C) Type M. 
D) Type I. 
A) Type 1. 
B) Type P. 
C) Type M. 
D) Type I. C

Question 4

Which of the following mortar joint profiles should be specified for an exterior wall?

Accepted Answer

A) Concave joint 
B) Flush joint 
C) Raked joint 
D) Weathered joint 
E) Struck joint 
A) Concave joint 
B) Flush joint 
C) Raked joint 
D) Weathered joint 
E) Struck joint

Question 5

Portland cement and lime (PCL)together function as the binder in masonry mortar. What is the role of lime (L)in mortar after the wall has been constructed?

Accepted Answer

Post construction, lime increa

Question 6

What are the ingredients of masonry mortar?

Accepted Answer

Portland cement (Typ

Question 7

Describe the importance of Portland cement in mortar.

Accepted Answer

Portland cement is a key ingredient in m

Question 8

Explain the differences among the actual, nominal, and specified dimensions of masonry units.

Accepted Answer

The actual dimensions of a masonry unit

Question 9

The freeze- thaw resistance of bricks has been found to be a function of the

Accepted Answer

A) compressive strength of bricks. 
B) saturation coefficient (S
C) of bricks. 
C) boiling- water absorption of bricks. 
D) all of the above. 
E) A and B only. 
A) compressive strength of bricks. 
B) saturation coefficient (S
C) of bricks. 
C) boiling- water absorption of bricks. 
D) all of the above. 
E) A and B only.

Question 10

Explain what the weathering index (WI)means and how it relates to building construction.

Accepted Answer

The weathering index (WI) is a measure o

Question 11

Efflorescence in masonry refers to

Accepted Answer

A) white spots in masonry walls. 
B) excessive warpage of masonry units. 
C) yellow spots in masonry walls. 
D) excessive chippage of masonry units. 
E) none of the above. 
A) white spots in masonry walls. 
B) excessive warpage of masonry units. 
C) yellow spots in masonry walls. 
D) excessive chippage of masonry units. 
E) none of the above.

Question 12

In masonry industry, the masonry unit dimensions can be stated as actual dimensions or nominal dimensions. In which of these two types of dimensions are inch marks omitted?

Accepted Answer

Inch marks are omitt

Question 13

Facing bricks (FB)are made in two durability grades. Name the two grades with the more durable grade first. What does the durability of a brick refer to?

Accepted Answer

SW grade and MW grade (SW implies a bric

Question 14

Why does spalling of masonry occur due to freeze- thaw action?

Accepted Answer

Masonry materials absorb water. In cold

Question 15

Explain what efflorescence is and how it can be mitigated.

Accepted Answer

Efflorescence is a common problem that o

Question 16

Portland cement and lime (PCL)together function as the binder in masonry mortar. What is the role of Portland cement (PC)in mortar after the wall has been constructed?

Accepted Answer

PC gives compressive strength to mortar,

Question 17

Which mortar joint profile is typically used in exterior cladding walls and why?

Accepted Answer

Concave tooled joint

Question 18

Bricks that have frogs are

Accepted Answer

A) molded bricks. 
B) extruded bricks. 
C) A and B. 
A) molded bricks. 
B) extruded bricks. 
C) A and B.

Question 19

The extruded bricks generally include holes. What are these holes called?

Accepted Answer

The answer of The extruded bricks generally include holes. What...

Question 20

Which of the following materials increases the mortar's workability?

Accepted Answer

A) Mortar joint profile 
B) Lime 
C) Portland cement 
D) Sand 
E) All of the above 
A) Mortar joint profile 
B) Lime 
C) Portland cement 
D) Sand 
E) All of the above

Exam 24: Masonry Materials-I Mortar and Brick

Which of the following materials increases the mortar's compressive strength?

Why is mortar color an important factor in the aesthetics of a masonry wall?

The mortar with the highest compressive strength is

Which of the following mortar joint profiles should be specified for an exterior wall?

Portland cement and lime (PCL)together function as the binder in masonry mortar. What is the role of lime (L)in mortar after the wall has been constructed?

What are the ingredients of masonry mortar?

Describe the importance of Portland cement in mortar.

Explain the differences among the actual, nominal, and specified dimensions of masonry units.

The freeze- thaw resistance of bricks has been found to be a function of the

Explain what the weathering index (WI)means and how it relates to building construction.

Efflorescence in masonry refers to

In masonry industry, the masonry unit dimensions can be stated as actual dimensions or nominal dimensions. In which of these two types of dimensions are inch marks omitted?

Facing bricks (FB)are made in two durability grades. Name the two grades with the more durable grade first. What does the durability of a brick refer to?

Why does spalling of masonry occur due to freeze- thaw action?

Explain what efflorescence is and how it can be mitigated.

Portland cement and lime (PCL)together function as the binder in masonry mortar. What is the role of Portland cement (PC)in mortar after the wall has been constructed?

Which mortar joint profile is typically used in exterior cladding walls and why?

Bricks that have frogs are

The extruded bricks generally include holes. What are these holes called?

Which of the following materials increases the mortar's workability?

An Overview of the Building Delivery Process How Buildings Come Into Being

Design and Constructions Regulations

Loads on Buildings

Load Resistance the Structural Properties of Materials

Properties of the Envelope-I Thermal Properties

Properties of the Envelope-II Air and Water Vapor Control

Fire and Smoke-Related Properties

Acoustical Properties of Materials

Principles of Joints and Sealants Expansion and Contraction Control

Principles of Sustainable Construction

Soils and Excavations

Below-Grade Construction Foundation Systems and Basements

Materials for Wood Construction-I Lumber

Materials for Wood Construction-Ii Engineered Wood Products, Fasteners, and Connectors

Wood Light-Frame Construction-I

Wood Light-Frame Construction-II

Structural Insulated Panel Construction

Material Steel and Steel Components

Structural Steel Construction

Cold-Formed Steel Construction

Lime, Portland Cement, and Concrete

Concrete Construction-I Formwork, Reinforcement, and Slabs-On-Ground

Concrete Construction-II Site-Cast and Precast Concrete Framing Systems

Masonry Materials-II Concrete Masonry Units, Natural Stone, and Glass Masonry Units

Masonry and Concrete Bearing Wall Construction

Exterior Wall Cladding-I Principles of Rainwater Infiltration Control

Exterior Wall Cladding-II Masonry, Precast Concrete, and Gfrc

Exterior Wall Cladding-III Stucco, Adhered Veneer, Eifs, Natural Stone, and Insulated Metal Panels

Glass, Glazing, and Light-Transmitting Plastics

Windows and Doors

Exterior Wall Cladding-Iv Wall System in Glass

Roofing-I Low-Slope Roofs

Roofing-I Steep Roofs

Stairs

Floor Coverings

Ceilings

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