Question 1

What is the typical spacing of joint reinforcement in CMU walls?

Accepted Answer

The answer of What is the typical spacing of joint...

Question 2

Joint reinforcement in CMU walls generally consists of

Accepted Answer

A) three parallel wires connected together by cross wires. 
B) a single wire. 
C) two parallel wires without cross wires. 
D) two parallel wires connected together by cross wires. 
E) none of the above. 
A) three parallel wires connected together by cross wires. 
B) a single wire. 
C) two parallel wires without cross wires. 
D) two parallel wires connected together by cross wires. 
E) none of the above.

Question 3

Which of the following CMU shapes has a U- shaped profile in its vertical cross section?

Accepted Answer

A) Unit with projecting face shells 
B) Scored unit 
C) Sash unit 
D) Bullnose unit 
E) Lintel unit 
A) Unit with projecting face shells 
B) Scored unit 
C) Sash unit 
D) Bullnose unit 
E) Lintel unit

Question 4

With reference to a two- cell CMU, give the number of webs and the number of face shells.

Accepted Answer

Three webs

Question 5

In which situations is a 4 in. (nominal)wide CMU used?

Accepted Answer

Generally as exterio

Question 6

Give the nominal and actual dimension of the most commonly used CMU.

Accepted Answer

Nominal dimensions:

Question 7

Explain the differences between lightweight and normal- weight CMUs, including their uses.

Accepted Answer

Lightweight and normal-weight concrete m

Question 8

The terms pilaster and pier are synonymous.

Accepted Answer

A) True 
 B)False

Question 9

A burnished CMU is made by treating a standard CMU with an oxyacetylene torch to produce a very smooth surface on one or more faces of the unit.

Accepted Answer

A) True 
 B)False

Question 10

the nominal height of a typical CMU is

Accepted Answer

A) 18 in. 
B) 16 in. 
C) 12 in. 
D) 8 in. 
E) variable. 
A) 18 in. 
B) 16 in. 
C) 12 in. 
D) 8 in. 
E) variable.

Question 11

What measures are used to respond to the shrinkage of CMU walls?

Accepted Answer

Shrinkage in CMU (Concrete Masonry Unit)

Question 12

Does the term "brick" apply to masonry units made of clay? Explain.

Accepted Answer

The term "brick" is not limited to mason

Question 13

Which of the following stones is generally more vulnerable to disintegration by an acidic atmosphere?

Accepted Answer

A) Marble 
B) Granite 
A) Marble 
B) Granite

Question 14

What are the typical surface finishes available in CMUs?

Accepted Answer

Burnished face, spli

Question 15

Marble is

Accepted Answer

A) an igneous rock. 
B) a sedimentary rock. 
C) a metamorphic rock. 
D) none of the above. 
A) an igneous rock. 
B) a sedimentary rock. 
C) a metamorphic rock. 
D) none of the above.

Question 16

Explain what arching action in masonry is and its significance in building construction.

Accepted Answer

The arching action in masonry refers to

Exam 25: Masonry Materials-II Concrete Masonry Units, Natural Stone, and Glass Masonry Units

What is the typical spacing of joint reinforcement in CMU walls?

Joint reinforcement in CMU walls generally consists of

Which of the following CMU shapes has a U- shaped profile in its vertical cross section?

With reference to a two- cell CMU, give the number of webs and the number of face shells.

In which situations is a 4 in. (nominal)wide CMU used?

Give the nominal and actual dimension of the most commonly used CMU.

Explain the differences between lightweight and normal- weight CMUs, including their uses.

The terms pilaster and pier are synonymous.

A burnished CMU is made by treating a standard CMU with an oxyacetylene torch to produce a very smooth surface on one or more faces of the unit.

the nominal height of a typical CMU is

What measures are used to respond to the shrinkage of CMU walls?

Does the term "brick" apply to masonry units made of clay? Explain.

Which of the following stones is generally more vulnerable to disintegration by an acidic atmosphere?

What are the typical surface finishes available in CMUs?

Marble is

Explain what arching action in masonry is and its significance in building construction.

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-I Mortar and Brick

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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