Question 1

A typical lumber manufacturing plant has a reservoir of water. What is its purpose?

Accepted Answer

The water reservoir is needed

Question 2

What is fiber- saturation point (FSP)with respect to wood?

Accepted Answer

FSP is the percentage of water

Question 3

Which of the following species of wood is naturally decay resistant?

Accepted Answer

A) Spruce 
B) Pine 
C) Cedar 
D) Hemlock 
E) Fir 
A) Spruce 
B) Pine 
C) Cedar 
D) Hemlock 
E) Fir

Question 4

In the United States, most structural lumber is grown in the

Accepted Answer

A) western and southern regions of the United States. 
B) eastern and northeastern regions of the United States. 
C) central region of the United States. 
D) northern region of the United States. 
E) none of the above, because most structural lumber is imported from Mexico. 
A) western and southern regions of the United States. 
B) eastern and northeastern regions of the United States. 
C) central region of the United States. 
D) northern region of the United States. 
E) none of the above, because most structural lumber is imported from Mexico.

Question 5

What information is typically provided on the grade stamp of visually graded lumber? Explain with the help of an example of a typical grade stamp.

Accepted Answer

The grade stamp on visually graded lumbe

Question 6

Wood is

Accepted Answer

A) stronger across the grain than along the grain. 
B) equally strong in both directions of the grain. 
C) stronger along the grain than across the grain. 
A) stronger across the grain than along the grain. 
B) equally strong in both directions of the grain. 
C) stronger along the grain than across the grain.

Question 7

Structural lumber is typically

Accepted Answer

A) flat- sawn. 
B) quarter- sawn. 
C) either A or B, depending on the type of structural member. 
A) flat- sawn. 
B) quarter- sawn. 
C) either A or B, depending on the type of structural member.

Question 8

The approximate density of lumber is

Accepted Answer

A) 55 psf. 
B) 55 pcf. 
C) 35 psf. 
D) 75 pcf. 
E) 35 pcf. 
A) 55 psf. 
B) 55 pcf. 
C) 35 psf. 
D) 75 pcf. 
E) 35 pcf.

Question 9

Which of the following species of wood is not a softwood?

Accepted Answer

A) Oak 
B) Pine 
C) Fir 
D) Cedar 
E) Redwood 
A) Oak 
B) Pine 
C) Fir 
D) Cedar 
E) Redwood

Question 10

What is fire- retardant- treated (FRT)wood?

Accepted Answer

FRT wood is treated with chemi

Question 11

Using sketches and notes, explain why wood is stronger along the grain than across the grain.

Accepted Answer

Wood is stronger along the grain than ac

Question 12

Among the 2- by members, the grade of "Stud" is limited to certain cross- sectional sizes. Which are those sizes?

Accepted Answer

2 × 4 and

Question 13

Which of the following is not a lumber grade?

Accepted Answer

A) No. 1 
B) No. 2 
C) No. 3 
D) No. 4 
E) Construction 
A) No. 1 
B) No. 2 
C) No. 3 
D) No. 4 
E) Construction

Question 14

Trees from which lumber is obtained are divided into two broad categories-softwood trees and hardwood trees. Which one of these types is more abundant in North America and which one is faster growing?

Accepted Answer

Softwood forests in North Amer

Question 15

Heartwood and sapwood are two parts of the same tree trunk. Which one of these parts is the older part and which one contains minerals (sucked from the ground)that are deposited in its cell cavities?

Accepted Answer

Heartwood is the old

Question 16

Lumber can be flat sawn or radial sawn. Of the two, radial- sawn lumber is more wasteful of wood. Why then is it used?

Accepted Answer

In a radial- sawn lumber, all

Question 17

Is 6 × 8 lumber member "board lumber," "dimension lumber" or "timber"?

Accepted Answer

The answer of Is 6 × 8 lumber member "board...

Question 18

Which of the following terms means the same as quarter- sawn?

Accepted Answer

A) Radially sawn 
B) Tangentially sawn 
A) Radially sawn 
B) Tangentially sawn

Question 19

From the user's viewpoint, the difference between MC 15 and KD 15 is generally ignored.

Accepted Answer

A) True 
 B)False

Question 20

A 10- ft- long stud was installed in position when the wood's moisture content was 19%. During a long dry spell, the wood's moisture content became 8%. The new stud length will be

Accepted Answer

A) approximately 9 ft 11 in. 
B) approximately the same as the initial stud length of 10 ft. 
C) approximately 9 ft 10 in. 
D) approximately 9 ft 10- 1/2 in. 
E) none of the above. 
A) approximately 9 ft 11 in. 
B) approximately the same as the initial stud length of 10 ft. 
C) approximately 9 ft 10 in. 
D) approximately 9 ft 10- 1/2 in. 
E) none of the above.

Exam 13: Materials for Wood Construction-I Lumber

A typical lumber manufacturing plant has a reservoir of water. What is its purpose?

What is fiber- saturation point (FSP)with respect to wood?

Which of the following species of wood is naturally decay resistant?

In the United States, most structural lumber is grown in the

What information is typically provided on the grade stamp of visually graded lumber? Explain with the help of an example of a typical grade stamp.

Wood is

Structural lumber is typically

The approximate density of lumber is

Which of the following species of wood is not a softwood?

What is fire- retardant- treated (FRT)wood?

Using sketches and notes, explain why wood is stronger along the grain than across the grain.

Among the 2- by members, the grade of "Stud" is limited to certain cross- sectional sizes. Which are those sizes?

Which of the following is not a lumber grade?

Trees from which lumber is obtained are divided into two broad categories-softwood trees and hardwood trees. Which one of these types is more abundant in North America and which one is faster growing?

Heartwood and sapwood are two parts of the same tree trunk. Which one of these parts is the older part and which one contains minerals (sucked from the ground)that are deposited in its cell cavities?

Lumber can be flat sawn or radial sawn. Of the two, radial- sawn lumber is more wasteful of wood. Why then is it used?

Is 6 × 8 lumber member "board lumber," "dimension lumber" or "timber"?

Which of the following terms means the same as quarter- sawn?

From the user's viewpoint, the difference between MC 15 and KD 15 is generally ignored.

A 10- ft- long stud was installed in position when the wood's moisture content was 19%. During a long dry spell, the wood's moisture content became 8%. The new stud length will be

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-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-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

Ceilings

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