Deck 22: Common Rafters

Question 1

The material used to provide weather protection is often chosen for its architectural style.

Answer 1

True

Question 2

In a common frame roof, the rafters, ridge board, and collar ties are the structural members.

Answer 2

True

Question 3

In post-and-beam construction, ____ is most often used for the roof deck.

A) plywood
B) sheet metal
C) dimensional lumber
D) OSB

Answer 3

C

Question 4

The accompanying figure shows the elements of a roof. What is feature 1?

A) Roof covering
B) Underlayment
C) Collar tie
D) Rafter

Question 5

Collar beams are normally included ____.

A) on every rafter
B) on misshapen rafters
C) on the end rafters
D) on every second or third pair of rafters

Question 6

The roofing should be applied under a layer of asphalt-saturated building paper.

Question 7

The accompanying figure shows the elements of a roof. What is feature 2?

A) Rafters
B) Underlayment
C) Sheathing
D) Ridge boards

Question 8

The size and spacing of the rafters are specified in Tables R802.5.1 through R802.5.8 of the ____ Code .

A) National Builders
B) National Fire Protection
C) International Residential
D) International Roofing

Question 9

Most of the Lake House has shed roof construction.

Question 10

The accompanying figure shows a ____.

A) roof framing plan
B) section view of the roof
C) rafter table
D) general roof plan view

Question 11

If the rafters span a great distance or are spaced far apart, they must be wide to support their load.

Question 12

The roof frame may include collar beams, or collar ____.

A) tiles
B) girders
C) dormers
D) ties

Question 13

Collar beams are usually made of ____-inch (nominal thickness) lumber.

A) 1
B) 2
C) 3
D) 4

Question 14

The accompanying figure shows the elements of a roof. What is feature 6?

A) Sheathing
B) Underlayment
C) Collar ties
D) Rafters

Question 15

Carpenters may use a rafter table to find the length of rafters.

Question 16

The accompanying figure shows the elements of a roof. What is feature 5?

A) Roof covering
B) Underlayment
C) Collar tie
D) Rafter

Question 17

The most common roof decking materials for houses are plywood and ____ (OSB).

A) oriented-strand beams
B) oriented-steel beams
C) oriented-strand board
D) oriented-steel board

Question 18

The size and spacing of the rafters vary depending on their ____ (weight they must support), among other things.

A) load
B) pitch
C) collar
D) slope

Question 19

The accompanying figure shows the elements of a roof. What is feature 4?

A) Roof covering
B) Ridge board
C) Collar tie
D) Rafter

Question 20

The accompanying figure shows the elements of a roof. What is feature 3?

A) Roof covering
B) Underlayment
C) Collar ties
D) Sheathing

Question 21

In _____________ rafter construction, the ceiling joists rest on the top plate with a joist header capping their ends.

A) hip
B) raised heel
C) hip jack
D) common

Question 22

Where shed ____ butt against a wall or other vertical surface, the drawings should include a detail to show how they are fastened.

A) nails
B) run
C) beams
D) rafters

Question 23

To find the length of a common rafter, you must know the run of the rafter and its ____.

A) overhang
B) material composition
C) rise per foot of run
D) density

Question 24

____ trusses can be used to make more room for insulation and proper ventilation at the edge of the roof.

A) Raised heel
B) T-shaped
C) Angled
D) L-shaped

Question 25

One hundred square feet of roof is called a ____.

A) patch
B) plot
C) square
D) circle

Question 26

The felt used under roofing is typically ____-lb or ____-lb weight.

A) 5; 10
B) 15; 30
C) 30; 40
D) 40; 60

Question 27

Asphalt-saturated building paper is also called slater's ____.

A) felt
B) rock
C) metal
D) concrete