Question 1

The third and fourth lines of the rafter table on most framing squares are used to calculate the length of ____ rafters.

Accepted Answer

A)  hip 
B)  jack 
C)  valley 
D)  common 
A)  hip 
B)  jack 
C)  valley 
D)  common B

Question 2

Find the length of valley jack rafter D in the accompanying figure.

Accepted Answer

A)  23 1/2" 
B)  24 1/2" 
C)  25 1/4" 
D)  26 1/2" 
A)  23 1/2" 
B)  24 1/2" 
C)  25 1/4" 
D)  26 1/2" A

Question 3

The rafter that follows the valley is a ____ rafter.

Accepted Answer

A)  ridge 
B)  valley 
C)  jack 
D)  common 
A)  ridge 
B)  valley 
C)  jack 
D)  common B

Question 4

Hip rafters run at a ____ degree angle.

Accepted Answer

A)  20 
B)  30 
C)  45 
D)  60 
A)  20 
B)  30 
C)  45 
D)  60

Question 5

The rafters that butt against the hip rafter are called hip ____ rafters.

Accepted Answer

A)  common 
B)  roof 
C)  jack 
D)  joint 
A)  common 
B)  roof 
C)  jack 
D)  joint

Question 6

Find the length of hip jack rafter C in the accompanying figure.

Accepted Answer

A)  81 1/16" 
B)  82 3/16" 
C)  83 5/16" 
D)  84 5/16" 
A)  81 1/16" 
B)  82 3/16" 
C)  83 5/16" 
D)  84 5/16"

Question 7

Hip jack rafters are lengthened at the top to allow for the thickness of the hip rafter they butt against.

Accepted Answer

A) True 
 B)False

Question 8

Rafter Table for 4/12 Slope
Length of Common Rafters Per Foot of Run
12)65"
Length of Hip or Valley Rafters Per Foot of Run
17)44"
Difference in Length of Jacks @ 16" on Centers
16 7/8"
Difference in Length of Jacks @ 24" on Centers
25 5/16"
Find the length of the tails of the jack rafters in the accompanying figure.

Accepted Answer

A)  8" 
B)  8 3/16" 
C)  8 7/16" 
D)  8 3/4" 
A)  8" 
B)  8 3/16" 
C)  8 7/16" 
D)  8 3/4"

Question 9

The length of the valley rafters is based on the run of the common rafters that have their upper (ridge) ends at the same level as the valley rafter.

Accepted Answer

A) True 
 B)False

Question 10

The first jack rafter should be a full space (____ inches) from the bottom of the hip or the top of the valley.

Accepted Answer

A)  4 or 8 
B)  8 or 16 
C)  16 or 24 
D)  24 or 36 
A)  4 or 8 
B)  8 or 16 
C)  16 or 24 
D)  24 or 36

Question 11

If the overhang is not in even feet, divide the length of common rafter per foot of run on the table by ____.

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  12 
A)  2 
B)  4 
C)  6 
D)  12

Question 12

For example, if a roof has a 6 in 12 slope and the roof framing is 16 inches OC, the difference in the length of jack rafters is _________ inches.

Accepted Answer

A)  17 1/8" 
B)  16 1/8" 
C)  18 1/8" 
D)  17 1/4" 
A)  17 1/8" 
B)  16 1/8" 
C)  18 1/8" 
D)  17 1/4"

Question 13

Find the length of valley jack rafter E in the accompanying figure.

Accepted Answer

A)  48 7/16" 
B)  48 9/16" 
C)  48 11/16" 
D)  48 13/16" 
A)  48 7/16" 
B)  48 9/16" 
C)  48 11/16" 
D)  48 13/16"

Question 14

The hip rafters are never made of wider lumber than the common rafters and jack rafters.

Accepted Answer

A) True 
 B)False

Question 15

The line where two pitched roofs meet is called a ____.

Accepted Answer

A)  valley 
B)  hill 
C)  ridge 
D)  rise 
A)  valley 
B)  hill 
C)  ridge 
D)  rise

Question 16

Valley rafters always have a tail.

Accepted Answer

A) True 
 B)False

Question 17

The valley rafter is at a ____ degree angle with both ridges.

Accepted Answer

A)  30 
B)  45 
C)  60 
D)  90 
A)  30 
B)  45 
C)  60 
D)  90

Question 18

The length of each jack rafter in a roof varies from the length of the one next to it by ____ amount.

Accepted Answer

A)  the same 
B)  a random 
C)  a linearly increasing 
D)  a linearly decreasing 
A)  the same 
B)  a random 
C)  a linearly increasing 
D)  a linearly decreasing

Question 19

Rafter Table for 4/12 Slope
Length of Common Rafters Per Foot of Run
12)65"
Length of Hip or Valley Rafters Per Foot of Run
17)44"
Difference in Length of Jacks @ 16" on Centers
16 7/8"
Difference in Length of Jacks @ 24" on Centers
25 5/16"
Find the length of a hip rafter for the roof shown in the accompanying figure.

Accepted Answer

A)  275 1/2" 
B)  277 1/16" 
C)  278 5/16" 
D)  280" 
A)  275 1/2" 
B)  277 1/16" 
C)  278 5/16" 
D)  280"

Question 20

The length of the valley rafters is based on the run of the ____ rafters that have their upper (ridge) ends at ____ level as the valley rafter.

Accepted Answer

A)  hip; the same 
B)  hip; a lower 
C)  common; the same 
D)  common; a lower 
A)  hip; the same 
B)  hip; a lower 
C)  common; the same 
D)  common; a lower

Exam 23: Hip and Valley Framing

The third and fourth lines of the rafter table on most framing squares are used to calculate the length of ____ rafters.

Find the length of valley jack rafter D in the accompanying figure.

The rafter that follows the valley is a ____ rafter.

Hip rafters run at a ____ degree angle.

The rafters that butt against the hip rafter are called hip ____ rafters.

Find the length of hip jack rafter C in the accompanying figure.

Hip jack rafters are lengthened at the top to allow for the thickness of the hip rafter they butt against.

The length of the valley rafters is based on the run of the common rafters that have their upper (ridge) ends at the same level as the valley rafter.

The first jack rafter should be a full space (____ inches) from the bottom of the hip or the top of the valley.

If the overhang is not in even feet, divide the length of common rafter per foot of run on the table by ____.

For example, if a roof has a 6 in 12 slope and the roof framing is 16 inches OC, the difference in the length of jack rafters is _________ inches.

Find the length of valley jack rafter E in the accompanying figure.

The hip rafters are never made of wider lumber than the common rafters and jack rafters.

The line where two pitched roofs meet is called a ____.

Valley rafters always have a tail.

The valley rafter is at a ____ degree angle with both ridges.

The length of each jack rafter in a roof varies from the length of the one next to it by ____ amount.

The length of the valley rafters is based on the run of the ____ rafters that have their upper (ridge) ends at ____ level as the valley rafter.

The Design-Construction Sequence and the Design Professions

Views

Scales

Alphabet of Lines

Use of Symbols

Plan Views

Elevations

Sections and Detail

Clearing and Rough Grading the Site

Locating the Building

Site Utilities

Footings

Foundation Walls

Drainage Insulation and Concrete-Slabs

Framing Systems

Columns, Piers, and Girders

Floor Framing

Laying Out Walls and Partitions

Framing Openings in Walls

Roof Construction Terms

Roof Trusses

Common Rafters

Cornices

Windows and Doors

Exterior Wall Coverings

Decks

Finishing Site Work

Fireplaces

Stairs

Insulation and Room Finishing

Cabinets

Lake House Specifications

Orienting the Drawings

Fire Rated and Acoustical Considerations

Seismic Considerations

Heavy Commercial Construction

Coordination of Drawings

Structural Drawings

HVAC Plumbing Drawings

Electrical Drawings

Filters

The length of the valley rafters is based on the run of the rafters that have their upper (ridge) ends at level as the valley rafter.