C-39 ROOFING TRADE PRACTICE
TEST 3 CORRECT 100%
The lower exposed edge of a wood shingle is called the: - ANSWER Shingle butt
The distance that adjacent shingles overlap each other horizontally is called the: -
ANSWER Sidelap
The distance between exposed edges of overlapping shingles is called the: - ANSWER
Exposure
The distance from the lower edge of a top shingle to the upper edge of the shingle in the
course immediately below it is called: - ANSWER Toplap
The distance from the lower edge of a top shingle to the upper edge of the shingle two
courses below it is called: - ANSWER Headlap
What is a seal cap? - ANSWER The mortar cap around the top of a chimney
A hip roof slopes in _______ direction(s). - ANSWER 4
A gable roof slopes in _______ direction(s). - ANSWER 2
A mansard roof slopes in _______ direction(s). - ANSWER 4
A gambrel roof slopes in _______ direction(s). - ANSWER 2
A shed roof slopes in _______ direction(s). - ANSWER 1
What type of roof has the most plies? - ANSWER Flat
Which of the following is a "dead load" on a roof? - ANSWER Structural membranes
and other fixed loads
Roller type felt laying machines should be: - ANSWER Locked and stationary on the
roof
What is the most common type of fuel used in tar kettles? - ANSWER LPG (liquified
petroleum gas)
On a siphon hose in a kettle, what causes the check valve to jam open? - ANSWER
Excess carbon buildup around the pump
, With slate roofing, the overlap from one course to the next should cover nail holes of the
lower course by at least: - ANSWER 3"
With slate roofing, nail holes are usually found _______ of the length down from the top
of the slate. - ANSWER 1/3
Standard roofing slate is _______ thick. - ANSWER 3/16"
The best tool for nailing slate is: - ANSWER A slater's hammer
Do not use slate on roofs with a slope less than: - ANSWER 3:12
Offset joints of overlapping slate courses by at least: - ANSWER 3"
On a tile roof, what type of rafter should be used? - ANSWER 2" x 6" spaced 16" o.c
Which tile has different tones of red color in a single tile? - ANSWER Variegated
Why do the horizontal and vertical chalk lines NOT have to be perfectly straight when
installing mission tile? - ANSWER Irregularities gives an appearance of being
handmade
What is the proper way to seal the ridge when working with clay tile? - ANSWER
Cement mortar or mastic
What type of felt underlayment should you use for metal tiles? - ANSWER 30 pound or
two plies of 15 pounds
What is the minimum underlayment for asphalt shingles? - ANSWER 15 lb
What is the minimum underlayment for wood shingles? - ANSWER None required
What is the minimum underlayment for wood shakes? - ANSWER 30lb
What is the minimum underlayment for asbestos-cement shingles? - ANSWER 15 lb
What is the minimum underlayment for roofing tile? - ANSWER Two type 15 or one
type 30
Felt must be able to absorb _______ times its weight in asphalt - ANSWER 1 1/2 to 2
The minimum weight of moisture-proof felt is: - ANSWER 15lb/100 sq ft
If the unit measure is 8" and the rafter length is 7', what would be the rise? - ANSWER
4'
TEST 3 CORRECT 100%
The lower exposed edge of a wood shingle is called the: - ANSWER Shingle butt
The distance that adjacent shingles overlap each other horizontally is called the: -
ANSWER Sidelap
The distance between exposed edges of overlapping shingles is called the: - ANSWER
Exposure
The distance from the lower edge of a top shingle to the upper edge of the shingle in the
course immediately below it is called: - ANSWER Toplap
The distance from the lower edge of a top shingle to the upper edge of the shingle two
courses below it is called: - ANSWER Headlap
What is a seal cap? - ANSWER The mortar cap around the top of a chimney
A hip roof slopes in _______ direction(s). - ANSWER 4
A gable roof slopes in _______ direction(s). - ANSWER 2
A mansard roof slopes in _______ direction(s). - ANSWER 4
A gambrel roof slopes in _______ direction(s). - ANSWER 2
A shed roof slopes in _______ direction(s). - ANSWER 1
What type of roof has the most plies? - ANSWER Flat
Which of the following is a "dead load" on a roof? - ANSWER Structural membranes
and other fixed loads
Roller type felt laying machines should be: - ANSWER Locked and stationary on the
roof
What is the most common type of fuel used in tar kettles? - ANSWER LPG (liquified
petroleum gas)
On a siphon hose in a kettle, what causes the check valve to jam open? - ANSWER
Excess carbon buildup around the pump
, With slate roofing, the overlap from one course to the next should cover nail holes of the
lower course by at least: - ANSWER 3"
With slate roofing, nail holes are usually found _______ of the length down from the top
of the slate. - ANSWER 1/3
Standard roofing slate is _______ thick. - ANSWER 3/16"
The best tool for nailing slate is: - ANSWER A slater's hammer
Do not use slate on roofs with a slope less than: - ANSWER 3:12
Offset joints of overlapping slate courses by at least: - ANSWER 3"
On a tile roof, what type of rafter should be used? - ANSWER 2" x 6" spaced 16" o.c
Which tile has different tones of red color in a single tile? - ANSWER Variegated
Why do the horizontal and vertical chalk lines NOT have to be perfectly straight when
installing mission tile? - ANSWER Irregularities gives an appearance of being
handmade
What is the proper way to seal the ridge when working with clay tile? - ANSWER
Cement mortar or mastic
What type of felt underlayment should you use for metal tiles? - ANSWER 30 pound or
two plies of 15 pounds
What is the minimum underlayment for asphalt shingles? - ANSWER 15 lb
What is the minimum underlayment for wood shingles? - ANSWER None required
What is the minimum underlayment for wood shakes? - ANSWER 30lb
What is the minimum underlayment for asbestos-cement shingles? - ANSWER 15 lb
What is the minimum underlayment for roofing tile? - ANSWER Two type 15 or one
type 30
Felt must be able to absorb _______ times its weight in asphalt - ANSWER 1 1/2 to 2
The minimum weight of moisture-proof felt is: - ANSWER 15lb/100 sq ft
If the unit measure is 8" and the rafter length is 7', what would be the rise? - ANSWER
4'
