Question 1

A vapor retarder is required under

Accepted Answer

A) all interior concrete slabs- on- ground. 
B) all exterior concrete slabs- on- ground. 
C) all concrete slabs- on- ground. 
D) some interior concrete slabs- on- ground. 
A) all interior concrete slabs- on- ground. 
B) all exterior concrete slabs- on- ground. 
C) all concrete slabs- on- ground. 
D) some interior concrete slabs- on- ground.

Question 2

Stirrups are used in a concrete beam

Accepted Answer

A) to increase the tensile strength of the beam beyond that provided by concrete. 
B) to provide shear strength in the beam because concrete's shear strength is negligible. 
C) to increase the beam's compressive strength. 
D) to provide tensile strength in the beam since concrete's tensile strength is negligible. 
E) to increase the shear strength of the beam beyond that provided by concrete. 
A) to increase the tensile strength of the beam beyond that provided by concrete. 
B) to provide shear strength in the beam because concrete's shear strength is negligible. 
C) to increase the beam's compressive strength. 
D) to provide tensile strength in the beam since concrete's tensile strength is negligible. 
E) to increase the shear strength of the beam beyond that provided by concrete.

Question 3

Which material is used for a drainage layer under a concrete slab- on- ground and why?

Accepted Answer

In order to function as capillary break,

Question 4

Form liners are used to

Accepted Answer

A) allow acid etching of concrete form before placing concrete. 
B) produce textured concrete surfaces. 
C) allow acid etching of the concrete surface after stripping the forms. 
D) ensure easy strippability of forms. 
E) allow water washing of concrete after stripping the forms. 
A) allow acid etching of concrete form before placing concrete. 
B) produce textured concrete surfaces. 
C) allow acid etching of the concrete surface after stripping the forms. 
D) ensure easy strippability of forms. 
E) allow water washing of concrete after stripping the forms.

Question 5

How many wires are there in a typical prestressing monostrand?

Accepted Answer

The answer of How many wires are there in a...

Question 6

Formwork for a concrete wall generally consists of

Accepted Answer

A) plywood, form ties, walers, and stiffbacks fastened together with clamps. 
B) plywood, form ties, walers, and stiffbacks fastened together with duplex nails. 
C) plywood, form ties, and walers fastened together with duplex nails. 
D) plywood and stiffbacks fastened together with clamps. 
A) plywood, form ties, walers, and stiffbacks fastened together with clamps. 
B) plywood, form ties, walers, and stiffbacks fastened together with duplex nails. 
C) plywood, form ties, and walers fastened together with duplex nails. 
D) plywood and stiffbacks fastened together with clamps.

Question 7

Why is a shear key required in a construction joint?

Accepted Answer

A shear key simulate

Question 8

The primary purpose of steel reinforcement is to increase the tensile strength of concrete elements. However, steel reinforcement is also used to increase the shear strength and compressive strength of concrete elements.

Accepted Answer

A) True 
 B)False

Question 9

Concrete can be prestressed in two ways. Name them.

Accepted Answer

Pretension

Question 10

The term flying form refers to

Accepted Answer

A) a large formwork assembly for roof slabs. 
B) a large formwork assembly for floor and roof slabs. 
C) a large formwork assembly for columns. 
D) a large formwork assembly for concrete walls. 
E) a large formwork assembly for floor slabs. 
A) a large formwork assembly for roof slabs. 
B) a large formwork assembly for floor and roof slabs. 
C) a large formwork assembly for columns. 
D) a large formwork assembly for concrete walls. 
E) a large formwork assembly for floor slabs.

Question 11

Which of the following statements is true?

Accepted Answer

A) Posttensioning is generally done at the construction site and yields a precast, posttensioned concrete member. 
B) Pretensioning is generally done at the precaster's plant and yields a precast, prestressed concrete member. 
C) Posttensioning is generally done at the precaster's plant and yields a precast, posttensioned concrete member. 
D) Pretensioning is generally done at the construction site and yields a precast, prestressed concrete member. 
A) Posttensioning is generally done at the construction site and yields a precast, posttensioned concrete member. 
B) Pretensioning is generally done at the precaster's plant and yields a precast, prestressed concrete member. 
C) Posttensioning is generally done at the precaster's plant and yields a precast, posttensioned concrete member. 
D) Pretensioning is generally done at the construction site and yields a precast, prestressed concrete member.

Question 12

Concrete shell roofs are not commonly used because

Accepted Answer

A) they require a relatively large amount of concrete per square foot of floor area. 
B) they require prestressing, which substantially raises their cost. 
C) they require a relatively large amount of steel reinforcement per square foot. 
D) all of the above. 
E) none of the above. 
A) they require a relatively large amount of concrete per square foot of floor area. 
B) they require prestressing, which substantially raises their cost. 
C) they require a relatively large amount of steel reinforcement per square foot. 
D) all of the above. 
E) none of the above.

Question 13

Explain what an isolation joint in concrete construction is.

Accepted Answer

An isolation joint separates t

Question 14

What is a shore and which material is it made of?

Accepted Answer

A vertical post to s

Question 15

Explain what posttensioning of concrete is.

Accepted Answer

Tensioning (i.e., pulling), th

Question 16

Explain what a control joint in a concrete slab- on- ground is and its purpose.

Accepted Answer

A control joint responds to the shrinkag

Question 17

Describe the differences between pretensioning and posttensioning of concrete. Is there any difference in the type of steel used in each case?

Accepted Answer

Pretensioning and posttensioning are two

Question 18

Steel reinforcement in concrete elements that are permanently exposed to the earth, such as in footings, must have a minimum concrete cover of

Accepted Answer

A) 3 in. 
B) 5 in. 
C) 4 in. 
D) 1 in. 
E) 2 in. 
A) 3 in. 
B) 5 in. 
C) 4 in. 
D) 1 in. 
E) 2 in.

Question 19

Using sketches and notes, explain the typical layout of reinforcement in a simply supported, reinforced- concrete beam.

Accepted Answer

In a simply supported, reinforced-concre

Question 20

Explain what concrete cover is and the functions it serves.

Accepted Answer

Concrete cover refers to the layer of co

Exam 22: Concrete Construction-I Formwork, Reinforcement, and Slabs-On-Ground

A vapor retarder is required under

Stirrups are used in a concrete beam

Which material is used for a drainage layer under a concrete slab- on- ground and why?

Form liners are used to

How many wires are there in a typical prestressing monostrand?

Formwork for a concrete wall generally consists of

Why is a shear key required in a construction joint?

The primary purpose of steel reinforcement is to increase the tensile strength of concrete elements. However, steel reinforcement is also used to increase the shear strength and compressive strength of concrete elements.

Concrete can be prestressed in two ways. Name them.

The term flying form refers to

Which of the following statements is true?

Concrete shell roofs are not commonly used because

Explain what an isolation joint in concrete construction is.

What is a shore and which material is it made of?

Explain what posttensioning of concrete is.

Explain what a control joint in a concrete slab- on- ground is and its purpose.

Describe the differences between pretensioning and posttensioning of concrete. Is there any difference in the type of steel used in each case?

Steel reinforcement in concrete elements that are permanently exposed to the earth, such as in footings, must have a minimum concrete cover of

Using sketches and notes, explain the typical layout of reinforcement in a simply supported, reinforced- concrete beam.

Explain what concrete cover is and the functions it serves.

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-II Site-Cast and Precast Concrete Framing Systems

Masonry Materials-I Mortar and Brick

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

Filters