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PLTW CEA 3.1.4 Commercial Roof Systems

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which type of joist used in low-slope roof framing is shown in the image?

a)

Open Web Steel Joists

b)

Light Gauge Steel Joists

c)

Wood Joists

d)

Plastic Joists

2.

Component B of the image in a low slope roof system is the ______ layer.

a)

Surfacing

b)

Insulation

c)

Roof Decking

d)

Roof Framing

3.

Which pitched roof covering is shown in the image?

a)

Asphalt Shingles

b)

Standing Metal Seam

c)

Clay / Cement Tiles

d)

Slate

4.

This type of low slope roof covering is made of a liquid that expands into a foam to create a solid protective layer.

a)

EPDM

b)


Spray Polyurethane Foam (SPF)

c)

Built-Up Roof

d)

Asphalt Shingles

5.

Component B of a typical pitched roof system is the ______ layer.

a)

Roof Covering

b)

Underlayment

c)

Roof Decking

d)

Roof Framing

6.

Built-up Roof (BUR) membranes are known for having ______.

a)

Metal sheets

b)

Alternating layers of asphalt and reinforcing fabric

c)

Wooden shingles

d)

Plastic tiles

7.

Fill in the blank: A roof covering that uses natural materials and can support plant growth is called a ________.

a)

Slate

b)

Green Roof

c)

Asphalt Shingles

d)

Built-Up Roof (BUR)

8.

Component A of a typical pitched roof system is the ______ layer.

a)

Roof Covering

b)

Underlayment

c)

Roof Decking

d)

Roof Framing

9.

What is a common incorrect term for low-slope roofs?

a)

Flat roofs

b)

Steep roofs

c)

Curved roofs

d)

Slanted roofs

10.

Component A of the image in a low slope roof system is the ______ layer.

a)

Surfacing

b)

Insulation

c)

Roof Decking

d)

Roof Framing

11.

Which type of joist used in low-slope roof framing is shown in the image?

a)

Wood Joists

b)

Light Gauge Steel Joists

c)

Open Web Steel Joists

d)

Plastic Joists

12.

Which type of truss is shown in the image?

a)

Wood trusses

b)

Light gauge steel trusses

c)

Structural steel trusses

d)

Concrete trusses

13.

Fill in the blank: _______ roofs are common in large commercial construction.

a)

Flat

b)

Low-slope

c)

Dome

d)

Gable

14.

Component C of a typical pitched roof system is the ______ layer.

a)

Roof Covering

b)

Underlayment

c)

Roof Decking

d)

Roof Framing

15.

Fill in the blank: In a typical low-slope roof, the layer responsible for protecting against water is called ________.

a)

Insulation

b)

Weatherproofing

c)

Surfacing

d)

Reinforcing

16.

Component D of the image in a low slope roof system is the ______ layer.

a)

Surfacing

b)

Insulation

c)

Roof Decking

d)

Roof Framing

17.

Component D of a typical pitched roof system is the ______ layer.

a)

Roof Covering

b)

Underlayment

c)

Roof Decking

d)

Roof Framing

18.

This type of low slope roof material is single ply membrane made of synthetic rubber that can be fully adhered, mechanically attached, or held down by gravel.

a)

EPDM

b)

Built Up Roof (BUR)

c)

Spray Polyurethane Foam (SPF)

d)

Asphalt Shingles

19.

Which pitched roof covering is shown in the image?

a)

Asphalt Shingles

b)

Standing Metal Seam

c)

Clay / Cement Tiles

d)

Slate

20.

Component C of the image in a low slope roof system is the ______ layer.

a)

Surfacing

b)

Insulation

c)

Roof Decking

d)

Roof Framing