Question 1

Where is the heartwood of a tree located and what is its purpose?

Accepted Answer

Next to the pith is the heartw...

Question 2

Moisture content of lumber air dried for construction purposes should be in the _____ percent range in the United States.

Accepted Answer

A)   12 to 15
B)   13 to 18
C)   15 to 19
D)   16 to 20

Question 3

The design data are presented in the form of ____ for the various species groupings.

Accepted Answer

A)   Grade Properties
B)   Base Values
C)   Grade Conditions
D)   Base Grades

Question 4

The Southern Pine Inspection Bureau has established fifteen categories of stress-graded lumber ____ in. or less in thickness.

Accepted Answer

A)   2
B)   3
C)   4
D)   5

Question 5

At the center of a tree is a small core called the ____.

Accepted Answer

A)   heartwood
B)   pith
C)   bark
D)   annular ring B

Question 6

Wood that maintains a moisture content below ____ percent will be free from decay.

Accepted Answer

A)   10
B)   20
C)   30
D)   40 B

Question 7

____ is/are sold by the piece.

Accepted Answer

A)   Molding and trim
B)   Wood shingles
C)   Metric lumber
D)   Posts and pilings

Question 8

____ is a water-based wood preservative that prevents decay from fungi and insects.

Accepted Answer

A)   Bardac-treatment
B)   Alkaline Copper Quat
C)   Chromated Copper Arsenate
D)   Copper Azole

Question 9

What properties of wood does moisture affect?

Accepted Answer

The moisture content of wood a...

Question 10

Describe how wood can be attacked by fungi.

Accepted Answer

Wood can be attacked by fungi (microscop...

Question 11

____, because it bonds fibers together in fiber bundles, gives wood compressive strength.

Accepted Answer

A)   Cellulose
B)   Lignin
C)   Hemicellulose
D)   Glucose

Question 12

Woods are divided into two classes: hardwoods and ____.

Accepted Answer

A)   softwoods
B)   mediumwoods
C)   evergreens
D)   deciduous

Question 13

Name and briefly describe the type of sawing used for lumber in most construction.

Accepted Answer

Most lumber used for construction purpos...

Question 14

What is the modulus of elasticity?

Accepted Answer

The modulus of elasticity (E) ...

Question 15

What are the seven Conditions of Use?

Accepted Answer

The seven Conditions of Use are:
Size F...

Question 16

Describe the process and methods of lumber seasoning.

Accepted Answer

Seasoning refers to the process of conve...

Question 17

____ lumber is dressed to a size larger than standard dressed sizes but smaller than the nominal size.

Accepted Answer

A)   Blanked
B)   Worked
C)   Re-sawn
D)   Ripped

Question 18

Describe rough, blanked, and dressed lumber.

Accepted Answer

Rough lumber has not been dressed and sh...

Question 19

What is Chromated Copper Arsenate and for what purposes is it approved?

Accepted Answer

CCA is no longer approved as the primary wood preservative used in residential, recreational, and general consumer construction. It has been replaced by arsenic-free alternatives such as Alkaline Copper Quest (ACQ), Copper Azole (CA), and Baddac. CCA is approved for a variety of commercial and industrial applications, such as poles, marine piling, highway guard rails, highway noise barriers, and some agricultural uses.

Question 20

Describe a fiber saturation point and how it is found.

Accepted Answer

In a living tree or freshly cut wood (gr...

Exam 18: Wood

Where is the heartwood of a tree located and what is its purpose?

Correct Answer
verified
Next to the pith is the heartw...
View Answer

Moisture content of lumber air dried for construction purposes should be in the _____ percent range in the United States.

Correct Answer
verified

The design data are presented in the form of ____ for the various species groupings.

Correct Answer
verified

The Southern Pine Inspection Bureau has established fifteen categories of stress-graded lumber ____ in. or less in thickness.

Correct Answer
verified

At the center of a tree is a small core called the ____.

Correct Answer
verified
B

Wood that maintains a moisture content below ____ percent will be free from decay.

Correct Answer
verified
B

____ is/are sold by the piece.

Correct Answer
verified

____ is a water-based wood preservative that prevents decay from fungi and insects.

Correct Answer
verified

What properties of wood does moisture affect?

Correct Answer
verified
The moisture content of wood a...
View Answer

Describe how wood can be attacked by fungi.

Correct Answer
verified
Wood can be attacked by fungi (microscop...
View Answer

____, because it bonds fibers together in fiber bundles, gives wood compressive strength.

Correct Answer
verified

Woods are divided into two classes: hardwoods and ____.

Correct Answer
verified

Name and briefly describe the type of sawing used for lumber in most construction.

Correct Answer
verified
Most lumber used for construction purpos...
View Answer

What is the modulus of elasticity?

Correct Answer
verified
The modulus of elasticity (E) ...
View Answer

What are the seven Conditions of Use?

Correct Answer
verified
The seven Conditions of Use are:
Size F...
View Answer

Describe the process and methods of lumber seasoning.

Correct Answer
verified
Seasoning refers to the process of conve...
View Answer

____ lumber is dressed to a size larger than standard dressed sizes but smaller than the nominal size.

Correct Answer
verified

Describe rough, blanked, and dressed lumber.

Correct Answer
verified
Rough lumber has not been dressed and sh...
View Answer

What is Chromated Copper Arsenate and for what purposes is it approved?

Describe a fiber saturation point and how it is found.

Correct Answer
verified
In a living tree or freshly cut wood (gr...
View Answer

Exam 18: Wood

Where is the heartwood of a tree located and what is its purpose?

Correct AnswerverifiedNext to the pith is the heartw...View AnswerShow Answer

Moisture content of lumber air dried for construction purposes should be in the _____ percent range in the United States.

Correct AnswerverifiedShow Answer

The design data are presented in the form of ____ for the various species groupings.

Correct AnswerverifiedShow Answer

The Southern Pine Inspection Bureau has established fifteen categories of stress-graded lumber ____ in. or less in thickness.

Correct AnswerverifiedShow Answer

At the center of a tree is a small core called the ____.

Correct AnswerverifiedB

Wood that maintains a moisture content below ____ percent will be free from decay.

Correct AnswerverifiedB

____ is/are sold by the piece.

Correct AnswerverifiedShow Answer

____ is a water-based wood preservative that prevents decay from fungi and insects.

Correct AnswerverifiedShow Answer

What properties of wood does moisture affect?

Correct AnswerverifiedThe moisture content of wood a...View AnswerShow Answer

Describe how wood can be attacked by fungi.

Correct AnswerverifiedWood can be attacked by fungi (microscop...View AnswerShow Answer

____, because it bonds fibers together in fiber bundles, gives wood compressive strength.

Correct AnswerverifiedShow Answer

Woods are divided into two classes: hardwoods and ____.

Correct AnswerverifiedShow Answer

Name and briefly describe the type of sawing used for lumber in most construction.

Correct AnswerverifiedMost lumber used for construction purpos...View AnswerShow Answer

What is the modulus of elasticity?

Correct AnswerverifiedThe modulus of elasticity (E) ...View AnswerShow Answer

What are the seven Conditions of Use?

Correct AnswerverifiedThe seven Conditions of Use are: Size F...View AnswerShow Answer

Describe the process and methods of lumber seasoning.

Correct AnswerverifiedSeasoning refers to the process of conve...View AnswerShow Answer

____ lumber is dressed to a size larger than standard dressed sizes but smaller than the nominal size.

Correct AnswerverifiedShow Answer

Describe rough, blanked, and dressed lumber.

Correct AnswerverifiedRough lumber has not been dressed and sh...View AnswerShow Answer

What is Chromated Copper Arsenate and for what purposes is it approved?

Describe a fiber saturation point and how it is found.

Correct AnswerverifiedIn a living tree or freshly cut wood (gr...View AnswerShow Answer

Correct Answer
verified
Next to the pith is the heartw...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The moisture content of wood a...
View Answer

Correct Answer
verified
Wood can be attacked by fungi (microscop...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Most lumber used for construction purpos...
View Answer

Correct Answer
verified
The modulus of elasticity (E) ...
View Answer

Correct Answer
verified
The seven Conditions of Use are:
Size F...
View Answer

Correct Answer
verified
Seasoning refers to the process of conve...
View Answer

Correct Answer
verified

Correct Answer
verified
Rough lumber has not been dressed and sh...
View Answer

Correct Answer
verified
In a living tree or freshly cut wood (gr...
View Answer