Browse topic-based Civil and Mechanical Engineering practice sets.
1131 practice sets · Page 15 of 57
The flash point of asphalt is
When yellow smoke is emitted from the kettle
The lowest temperature at which the asphalt gives off enough vapor to form an ignitable concentration
When the kettle man turns red and starts choking, coughing and gagging
When the kettle is opened too quickly thereby introducing excess oxygen to the surface of the asphalt
When trimming valley shingles, leave inches on each side of the valley centerline.
1
3
5
None of the above
Leaks often occur
Around the house
Around the chimney
Along the roof edge
Along the roof ridge
When trimming open valley shingles, leave inches on each side of the valley for the water trough.
1
3
5
8
Is it permitted to reroof a home with wood shingles over wood shingles?
No
Yes
In all areas except wet climates
In southern states only
When the horizontal width of a chimney is greater than feet, install a fabricated galvanized metal saddle flashing or a wooden cricket above the chimney.
2
2.5
3
3.5
Flashing against a vertical sidewall is called
Good practice
Expensive
Flashing shingles
Step flashing
When test cutting BUR systems, test cut an area at least
12 inches by 24 inches
24 inches by 36 inches
36 inches by 42 inches
10 inches by 42 inches
Aluminum coating can be onto the roof surface.
Brushed
Cemented
Nailed
Rolled
When temperatures do not exceed 125 degrees the type of asphalt to be used below grade is
1
2
3
4
All metal sheets heavier than 30 gauge are called metal
Flat
Round
Coil stock
Sheet
When shingling a woven valley, the end shingle should extend beyond the valley centerline at least how many inches?
3
6
8
12
Alignment of the top edge of new shingles with the butt edge of the old shingles is
Butt up
Butt out
Butt in
Butt down
When shingling a woven valley, no fasteners should be within how many inches of the valley centerline?
6
8
12
3
What are the most vulnerable areas of shingle and shake roofs and should receive the most care
Valleys
Fascias
Flashings
Dormers
When roofing, use penny nails for 24 inch shingles.
4
5
6
3
Roll roofing is to be installed over existing roofing materials. The insulation is damp.The roofer should
Install a roof vent every 100 square feet
Run a fan over the wet areas for 24 hours
Cut 2 foot by 2 foot squares in the roof
Remove the damp insulation
When re-roofing the Butt-up method means
The tops of the old shingles are installed flush against the butts of the new shingles
The tops of the new shingles are installed flush against the butts of the old shingles
The new shingles butt the old shingles
The roofers should be as close together as possible
When re-roofing over wood, install shingles using the
The butt-up method
The toe to toe method
The overlap method
End to end method
When re-roofing over wood or asphalt shingles always use the method to assure a smooth roof.
stair-step
diagonal
butt-up
straightly
