Construction

Question 1

T/F: Platform construction is the most common

Answer 1

True

Question 2

T/F: First floor joists are completely covered with subflooring

Answer 2

True

Question 3

What are the categories of Lumber

Answer 3

Hardwood Softwood Bamboo Palm

Question 4

What are the grades of lumber

Answer 4

Yard Structural Factory/Shop

Question 5

How is lumber dried

Answer 5

air or kiln drying

Question 6

What are the 3 categories of yard lumber

Answer 6

Finished (Graded A-D) Common Boards (Graded 1-5) Common dimensions (graded 1-3)

Question 7

Structural lumber is graded on what?

Answer 7

Density, strength, stiffness

Question 8

What are the size ranges of plywood

Answer 8

1/8” - 1”

Question 9

What are the standard dimensions of plywood

Answer 9

4’x8’

Question 10

Board Feet of Lumber (BF) = ?

Answer 10

Thickness X Width x Length x Number of pieces / 12 or 144 *Use 12 when Length is in feet *Use 144 when Length is in inches

Question 11

Board Measurement (BM) = ?

Answer 11

BF x 1.1 for 2” or thicker thickness wood BF x 1.2 for 1” or less thickness wood

Question 12

Framing in a word problem means you are using 2” thickness wood (for BM)

Answer 12

This is true, just a fact for you to remember

Question 13

Number of sheets of plywood = ?

Answer 13

Area to be covered in square feet divided by 32 square feet

Question 14

What size nail do you use for framing

Answer 14

16 penny

Question 15

What size nail do you use for sheathing

Answer 15

8 penny

Question 16

What spacing must you have between nails in sheathing

Answer 16

4-6”

Question 17

What size nail do you use on gusset

Answer 17

6 penny

Question 18

What term refers to nail size

Answer 18

penny (or d)

Question 19

What are two ways to connect wood

Answer 19

joints and splice

Question 20

What are two types of joints

Answer 20

Butt Lap

Question 21

What is a splice

Answer 21

a connection of two or more boards that continue in a straight line

Question 22

What are the four types of nails

Answer 22

Common Wire Finishing Scaffolding Roofing

Question 23

What are the size ranges of nails

Answer 23

2d thru 60d

Question 24

How deep should nails penetrate

Answer 24

penetrate at least 2/3 into the second board

Question 25

What is the nail formula

Answer 25

● Framing or 10d to 60d -Pounds(p) = (d/6)\*(BM/100) ● Sheathing use 2d to 8d(or material up to 1”) -Pounds(p) = (d/4)\*(BM/100)

Question 26

What is design life

Answer 26

how long the building is intended to stand without major repairs done to it

Question 27

What are the three ranges of design life

Answer 27

Permanent (25+yrs) Semi- Permanent (5-25yrs) Temporary (0-5yrs)

Question 28

What are the components of the substructure

Answer 28

Footer, girder, joist, subfloor

Question 29

What is the maximum distance wood footers would be placed apart

Answer 29

10'

Question 30

How are girders made

Answer 30

Three laminated pieces lumber running the length of the building

Question 31

Joists run which direction along the building

Answer 31

Run the width of building

Question 32

What is the spacing between joists

Answer 32

16" on center

Question 33

What are the size of splices which connect joists

Answer 33

24” in length and cover both sides of the joint

Question 34

Which direction does the first course of the subfloor (ply) run relative to the joist

Answer 34

Perpendicular to the joist

Question 35

What parts does the super structure consist of

Answer 35

● Wall Panels ● Roof

Question 36

What are the two types of wall panels

Answer 36

End panels Side panels

Question 37

Answer 37

1. Hanger 2. Long Web 3. Short Web 4. Gusset 5. Bottom Chord 6. Top Chord 7. Heel Point 8. 1/3 Point 9. 1/4 Point 10. Peak point

Question 38

Answer 38

1. Sole 2. Stud 3. Jack 4. King 5. Header 6. Sill 7. Cripple 8. Girts 9. Top plate 10. Double top plate

Question 39

What is the spacing of cripplers

Answer 39

16"

Question 40

What is the spacing of studs

Answer 40

16" or 24" on center

Question 41

What are the 4 styles of roofs

Answer 41

● Gable ● Lean-to ● Hip ● Gable and valley

Question 42

A truss is made of how many rafters

Answer 42

2

Question 43

Each rafter spans ________ of the width of the builing

Answer 43

half

Question 44

T/F: Gusset plates are used on both sides of the truss joints, except the gable ends

Answer 44

True

Question 45

What are truss spacings

Answer 45

trusses are spaced 24”on center

Question 46

As trusses are set what are you doing

Answer 46

● Centered ● Plumbed ● Braced

Question 47

What are the methods of attaching roofing

Answer 47

● Fascia Boards ● Purloins ● Sheathing ● combination

Question 48

What are the two types of staircases

Answer 48

Boxed Stringer

Question 49

How high should risers on staircases be?

Answer 49

7-9"

Question 50

How wide should tread's on staircases be

Answer 50

8-11"

Question 51

What are the parts of stringer stairs?

Answer 51

Riser, Tread, Stringer, Mud sill, ledger

Question 52

What force should handrails be able to take

Answer 52

200 lbs

Question 53

Stairways with ______ or more risers, or higher than \_\_\_\_\_\_\_, must be equipped with at least one handrail.

Answer 53

four, 30 inches

Question 54

Stairways landings must be at least ______ deep and _______ wide at every _____ or less of vertical rise

Answer 54

30 inches, 22 inches, 12 feet

Question 55

Stairs should rise between _____ and _____ degrees.

Answer 55

30, 50

Question 56

There must be less than _______ inch variation between steps

Answer 56

1/4"

Question 57

Where doors or gates open directly on a stairway, provide a platform that extends at least _______ beyond the swing of the door.

Answer 57

20 inches