Question 1

Portland cement is a _____ cement, which means that it sets and hardens by a chemical reaction with water.

Accepted Answer

A)   hydraulic
B)   natural
C)   hydrated
D)   lime-sandE) A) and B)
F) A) and C)

Question 2

The production of portland cement involves only one simple process.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following statements is true about sand?

Accepted Answer

A)   Manufactured sand is smoother than natural sand.
B)   Natural sand has a sharp, angular grain shape.
C)   Natural sand is rounder than manufactured sand.
D)   Manufactured sand is very high in salt content.E) C) and D)
F) A) and B) C

Question 4

ASTM C1329 applies to ______, a hydraulic cement similar with the added requirement of meeting a minimum bond strength.

Accepted Answer

A)   blended hydraulic cement
B)   mortar cement
C)   masonry cement
D)   portland cementE) B) and D)
F) B) and C)

Question 5

Lime-based mortar is high in _____, which means that the mortar resists drying effects when combined with the masonry Chapters to build a wall.

Accepted Answer

A)   water retentivity
B)   bond strength
C)   workability
D)   tensile strengthE) A) and C)
F) B) and C)

Question 6

ASTM C150 covers _____ types of portland cement, but only _____ are recommended for use in masonry mortars.

Accepted Answer

A)   four; two
B)   five; four
C)   seven; five
D)   eight; threeE) B) and C)
F) A) and D)

Question 7

Which of the following statements is true regarding water used in mortar?

Accepted Answer

A)   It should be high in alkalis but low in salts.
B)   It should be high in both salts and acids.
C)   Purifying chemicals in city water supplies have an adverse effect on mortar.
D)   Water fit to drink is acceptable for use in mortar.E) B) and D)
F) None of the above

Question 8

A _____ will usually be classified as Type M, Type S, or Type N.

Accepted Answer

A)   blended hydraulic cement
B)   mortar cement
C)   masonry cement
D)   portland cementE) All of the above
F) A) and C)

Question 9

Mortar performance is greatly influenced by the choice and amount of cement materials in the mix.

Accepted Answer

A) True 
 B)False

Question 10

Clay was the first material to be used for mortar.

Accepted Answer

A) True 
 B)False

Question 11

_____ is formed by calcining pieces of limestone under controlled heat.

Accepted Answer

A)   Slaked lime
B)   Quicklime
C)   Hydrated lime
D)   Hydraulic limeE) A) and B)
F) All of the above

Question 12

_____ portland cement is used in masonry when moderate sulfate resistance or moderate heat of hydration is desired.

Accepted Answer

A)   Type A
B)   Type B
C)   Type I
D)   Type IIE) None of the above
F) B) and D)

Question 13

Although not as strong as previous cements, portland cement is less expensive and therefore more widely used.

Accepted Answer

A) True 
 B)False  False

Question 14

The ability of mortar to reknit or reseal itself if hairline cracks occur is called _____ .

Accepted Answer

A)   flexibility
B)   autogenous healing
C)   compressive strength
D)   adhesionE) A) and C)
F) A) and B)

Question 15

Good quality sand is available in only one type: manufactured.

Accepted Answer

A) True 
 B)False  False

Exam 12: The Development of Mortar

Portland cement is a _____ cement, which means that it sets and hardens by a chemical reaction with water.

Correct Answer
verified

The production of portland cement involves only one simple process.

Correct Answer
verified

Which of the following statements is true about sand?

Correct Answer
verified
C

ASTM C1329 applies to ______, a hydraulic cement similar with the added requirement of meeting a minimum bond strength.

Correct Answer
verified

Lime-based mortar is high in _____, which means that the mortar resists drying effects when combined with the masonry Chapters to build a wall.

Correct Answer
verified

ASTM C150 covers _ types of portland cement, but only _ are recommended for use in masonry mortars.

Correct Answer
verified

Which of the following statements is true regarding water used in mortar?

Correct Answer
verified

A _____ will usually be classified as Type M, Type S, or Type N.

Correct Answer
verified

Mortar performance is greatly influenced by the choice and amount of cement materials in the mix.

Correct Answer
verified

Clay was the first material to be used for mortar.

Correct Answer
verified

_____ is formed by calcining pieces of limestone under controlled heat.

Correct Answer
verified

_____ portland cement is used in masonry when moderate sulfate resistance or moderate heat of hydration is desired.

Correct Answer
verified

Although not as strong as previous cements, portland cement is less expensive and therefore more widely used.

Correct Answer
verified
False

The ability of mortar to reknit or reseal itself if hairline cracks occur is called _____ .

Correct Answer
verified

Good quality sand is available in only one type: manufactured.

Correct Answer
verified
False

Exam 12: The Development of Mortar

Portland cement is a _____ cement, which means that it sets and hardens by a chemical reaction with water.

Correct AnswerverifiedShow Answer

The production of portland cement involves only one simple process.

Correct AnswerverifiedShow Answer

Which of the following statements is true about sand?

Correct AnswerverifiedC

ASTM C1329 applies to ______, a hydraulic cement similar with the added requirement of meeting a minimum bond strength.

Correct AnswerverifiedShow Answer

Lime-based mortar is high in _____, which means that the mortar resists drying effects when combined with the masonry Chapters to build a wall.

Correct AnswerverifiedShow Answer

ASTM C150 covers _____ types of portland cement, but only _____ are recommended for use in masonry mortars.

Correct AnswerverifiedShow Answer

Which of the following statements is true regarding water used in mortar?

Correct AnswerverifiedShow Answer

A _____ will usually be classified as Type M, Type S, or Type N.

Correct AnswerverifiedShow Answer

Mortar performance is greatly influenced by the choice and amount of cement materials in the mix.

Correct AnswerverifiedShow Answer

Clay was the first material to be used for mortar.

Correct AnswerverifiedShow Answer

_____ is formed by calcining pieces of limestone under controlled heat.

Correct AnswerverifiedShow Answer

_____ portland cement is used in masonry when moderate sulfate resistance or moderate heat of hydration is desired.

Correct AnswerverifiedShow Answer

Although not as strong as previous cements, portland cement is less expensive and therefore more widely used.

Correct AnswerverifiedFalse

The ability of mortar to reknit or reseal itself if hairline cracks occur is called _____ .

Correct AnswerverifiedShow Answer

Good quality sand is available in only one type: manufactured.

Correct AnswerverifiedFalse

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
C

Correct Answer
verified

Correct Answer
verified

ASTM C150 covers _ types of portland cement, but only _ are recommended for use in masonry mortars.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified
False