Question 1

Describe the difference between quicklime and slaked lime.

Accepted Answer

Quicklime and slaked lime are both produ

Question 2

Explain what hydraulic cement is. Give an example of hydraulic cement used in contemporary construction.

Accepted Answer

A hydraulic cement is an adhes

Question 3

Explain the difference between structural concrete and insulating concrete.

Accepted Answer

Structural concrete is used in structura

Question 4

What are the natural colors of quick lime and slaked lime?

Accepted Answer

Both are w

Question 5

What is hydration of Portland cement and why is it important?

Accepted Answer

Portland cement develops its a

Question 6

What does a pozzolanic material consist of?

Accepted Answer

A pozzolanic material consists of extrem

Question 7

Why is fly ash a sustainable concrete admixture?

Accepted Answer

Because fly ash is a waste pro

Question 8

In a No. 4 sieve, the dimensions of voids are approximately

Accepted Answer

A) 1 in. × 4 in. 
B) 4 in. × 1/4 in. 
C) 4 in. × 4 in. 
D) 2 in. × 2 in., giving an area of approximately 4.0 in.2. 
E) none of the above. 
A) 1 in. × 4 in. 
B) 4 in. × 1/4 in. 
C) 4 in. × 4 in. 
D) 2 in. × 2 in., giving an area of approximately 4.0 in.2. 
E) none of the above.

Question 9

Name the pozzolanic material commonly used in contemporary construction. Where is it obtained from and in which situations is it used?

Accepted Answer

Fly ash, a waste product from

Question 10

Give the chemical composition of quick lime and slaked (hydrated)lime. Which of the two is used in building construction and why is the other not used?

Accepted Answer

Quick lime is calcium oxide and hydrated

Question 11

What is the minimum water- cement ratio for complete hydration of Portland cement?

Accepted Answer

w- c ratio = 0.4 app

Question 12

What is Type V Portland cement (PC)and where is it used?

Accepted Answer

Type V is sulfate- resistant P

Question 13

Lightweight structural concrete is heavier than insulating concrete.

Accepted Answer

A) True 
 B)False

Question 14

Which raw materials are used in the manufacturing of Portland cement (PC)?

Accepted Answer

Limestone and clay a

Question 15

A pozzolanic material must be composed mainly of

Accepted Answer

A) microscopic silica. 
B) amorphous silica and alumina. 
C) microscopic and amorphous silica. 
D) silica and alumina. 
E) microscopic and crystalline silica. 
A) microscopic silica. 
B) amorphous silica and alumina. 
C) microscopic and amorphous silica. 
D) silica and alumina. 
E) microscopic and crystalline silica.

Question 16

Why are steel reinforcing bars deformed?

Accepted Answer

To improve

Question 17

Which pozzolanic material was used by the Romans to produce hydraulic cement for aqueducts-made of natural stone and mortar consisting of lime- sand mortar?

Accepted Answer

The answer of Which pozzolanic material was used by the...

Question 18

Which property of wet concrete are we generally interested in? How is it measured?

Accepted Answer

The slump of concrete. It is obtained by

Question 19

What is TypeI/II Portland cement (PC)?

Accepted Answer

It is a general purpose PC which include

Exam 21: Lime, Portland Cement, and Concrete

Describe the difference between quicklime and slaked lime.

Explain what hydraulic cement is. Give an example of hydraulic cement used in contemporary construction.

Explain the difference between structural concrete and insulating concrete.

What are the natural colors of quick lime and slaked lime?

What is hydration of Portland cement and why is it important?

What does a pozzolanic material consist of?

Why is fly ash a sustainable concrete admixture?

In a No. 4 sieve, the dimensions of voids are approximately

Name the pozzolanic material commonly used in contemporary construction. Where is it obtained from and in which situations is it used?

Give the chemical composition of quick lime and slaked (hydrated)lime. Which of the two is used in building construction and why is the other not used?

What is the minimum water- cement ratio for complete hydration of Portland cement?

What is Type V Portland cement (PC)and where is it used?

Lightweight structural concrete is heavier than insulating concrete.

Which raw materials are used in the manufacturing of Portland cement (PC)?

A pozzolanic material must be composed mainly of

Why are steel reinforcing bars deformed?

Which pozzolanic material was used by the Romans to produce hydraulic cement for aqueducts-made of natural stone and mortar consisting of lime- sand mortar?

Which property of wet concrete are we generally interested in? How is it measured?

What is TypeI/II Portland cement (PC)?

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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