Question 1

A well- graded coarse aggregate is one in which the size of all aggregate particles is approximately the same.

Accepted Answer

A) True 
 B)False

Question 2

From where and how is concrete transported to the construction site?

Accepted Answer

Concrete is made in a ready- m

Question 3

What is a pozzolanic material, also called pozzolana?

Accepted Answer

A pozzolana is a material whic

Question 4

What is workability of concrete and how is it related to concrete's slump?

Accepted Answer

The slump of concrete is a measure of th

Question 5

With the help of a sketch, explain how the slump of concrete is determined.

Accepted Answer

To determine the slump of concrete, a sl

Question 6

After concrete has been placed in the form, it should be consolidated as much as is economically practical.

Accepted Answer

A) True 
 B)False

Question 7

The slump of concrete is measured

Accepted Answer

A) 14 days after casting the concrete in a test specimen. 
B) when the concrete is fresh. 
C) 1 day after casting the concrete in a test specimen. 
D) 28 days after casting the concrete in a test specimen. 
E) 7 days after casting the concrete in a test specimen. 
A) 14 days after casting the concrete in a test specimen. 
B) when the concrete is fresh. 
C) 1 day after casting the concrete in a test specimen. 
D) 28 days after casting the concrete in a test specimen. 
E) 7 days after casting the concrete in a test specimen.

Question 8

How is concrete cured at a construction site?

Accepted Answer

By sprinkling water on concret

Question 9

In a welded wire fabric mat that has a designation of 8 × 8- D4.0 × 4.0, the number 4.0 indicates that the wires are

Accepted Answer

A) deformed wires, each with a cross- sectional area of 0.4 in.2. 
B) deformed wires, each with a diameter of 4.0 mil. 
C) deformed wires, each with a cross- sectional area of 0.04 in.2. 
D) deformed wires, each with a diameter of 0.04 in. 
E) deformed wires, each with a cross- sectional area of 4.0 in.2. 
A) deformed wires, each with a cross- sectional area of 0.4 in.2. 
B) deformed wires, each with a diameter of 4.0 mil. 
C) deformed wires, each with a cross- sectional area of 0.04 in.2. 
D) deformed wires, each with a diameter of 0.04 in. 
E) deformed wires, each with a cross- sectional area of 4.0 in.2.

Question 10

What is concrete formwork?

Accepted Answer

The mold i

Question 11

Which factors affect the slump of concrete?

Accepted Answer

The amount of water in concrete is the m

Question 12

Discuss the importance of the water- cement ratio in concrete.

Accepted Answer

The water-cement ratio in concrete is a

Question 13

Hydrated lime is obtained by treating

Accepted Answer

A) slaked lime with water. 
B) slaked lime with Portland cement. 
C) limestone with water. 
D) quicklime with Portland cement. 
E) quicklime with water. 
A) slaked lime with water. 
B) slaked lime with Portland cement. 
C) limestone with water. 
D) quicklime with Portland cement. 
E) quicklime with water.

Question 14

What is the diameter of a No. 4 bar; a No. 7 bar?

Accepted Answer

A No. 4 bar is 4/8 =

Question 15

Explain the difference between normal- weight (NW)structural concrete and lightweight (LW)structural concrete.

Accepted Answer

NW structural concrete is made from NW c

Question 16

Everything else being the same, a concrete with a larger coarse aggregate requires less Portland cement and water paste to give the same concrete strength.

Accepted Answer

A) True 
 B)False

Question 17

Explain what distinguishes fine aggregate from coarse aggregate.

Accepted Answer

Aggregate, 95% of which passes through a

Question 18

How are concrete test cylinders generally cured in a concrete testing laboratory?

Accepted Answer

In a moist chamber,

Question 19

The compressive strength of concrete is generally measured

Accepted Answer

A) 14 days after casting the concrete in a test specimen. 
B) 7 days after casting the concrete in a test specimen. 
C) when the concrete is fresh. 
D) 1 day after casting the concrete in a test specimen. 
E) 28 days after casting the concrete in a test specimen. 
A) 14 days after casting the concrete in a test specimen. 
B) 7 days after casting the concrete in a test specimen. 
C) when the concrete is fresh. 
D) 1 day after casting the concrete in a test specimen. 
E) 28 days after casting the concrete in a test specimen.

Question 20

In which situations is Type III Portland cement (PC)used?

Accepted Answer

Type III is high- early strength PC. It

Exam 21: Lime, Portland Cement, and Concrete

A well- graded coarse aggregate is one in which the size of all aggregate particles is approximately the same.

From where and how is concrete transported to the construction site?

What is a pozzolanic material, also called pozzolana?

What is workability of concrete and how is it related to concrete's slump?

With the help of a sketch, explain how the slump of concrete is determined.

After concrete has been placed in the form, it should be consolidated as much as is economically practical.

The slump of concrete is measured

How is concrete cured at a construction site?

In a welded wire fabric mat that has a designation of 8 × 8- D4.0 × 4.0, the number 4.0 indicates that the wires are

What is concrete formwork?

Which factors affect the slump of concrete?

Discuss the importance of the water- cement ratio in concrete.

Hydrated lime is obtained by treating

What is the diameter of a No. 4 bar; a No. 7 bar?

Explain the difference between normal- weight (NW)structural concrete and lightweight (LW)structural concrete.

Everything else being the same, a concrete with a larger coarse aggregate requires less Portland cement and water paste to give the same concrete strength.

Explain what distinguishes fine aggregate from coarse aggregate.

How are concrete test cylinders generally cured in a concrete testing laboratory?

The compressive strength of concrete is generally measured

In which situations is Type III Portland cement (PC)used?

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

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 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

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