Roofing
C39 Test 4 Study Guide Questions and
Answers 2025
2 -Correct Answer ✔Wood shingles are generally fastened with ____ nails each.
1
2
3
4
30 sq ft -Correct Answer ✔What is the area of the right triangle shown below?
l. .
l. .
6' l. .
l. .
[ ]_____________________________________
10'
60 sq ft
50 sq ft
40 sq ft
30 sq ft
Roofing
,Roofing
3" -Correct Answer ✔End shingles in an open valley are set in _____ of cement:
1"
2"
2-½"
3"
the architect or engineer -Correct Answer ✔If you discover that plans are 6" off, whom
should you contact?
the owner
the lender
the architect or engineer
the awarding authority
6" -Correct Answer ✔When you lay 40-lb felt for tile, how much would you lap the
seams on the side?
4"
Roofing
,Roofing
5"
6"
7"
158°-176° F -Correct Answer ✔What is the melting point of Type II flat asphalt?
135°-151° F
158°-176° F
185°-205° F
210°-225° F
heat or a chemical solvent -Correct Answer ✔To form water-tight lap joints with PVC
single-ply membranes, use:
hot tar
nails
epoxy
heat or a chemical solvent
Roofing
, Roofing
plastic asphalt cement -Correct Answer ✔What sort of adhesive do you use on rolled
roofing?
rubber cement
tar
plastic asphalt cement
other
240 ft -Correct Answer ✔How many lineal feet (in a double course) to a square of wood
shingles?
160 ft
180 ft
200 ft
240 ft
rafters -Correct Answer ✔What is the name of the framing that supports the dead load?
rafters
Roofing
C39 Test 4 Study Guide Questions and
Answers 2025
2 -Correct Answer ✔Wood shingles are generally fastened with ____ nails each.
1
2
3
4
30 sq ft -Correct Answer ✔What is the area of the right triangle shown below?
l. .
l. .
6' l. .
l. .
[ ]_____________________________________
10'
60 sq ft
50 sq ft
40 sq ft
30 sq ft
Roofing
,Roofing
3" -Correct Answer ✔End shingles in an open valley are set in _____ of cement:
1"
2"
2-½"
3"
the architect or engineer -Correct Answer ✔If you discover that plans are 6" off, whom
should you contact?
the owner
the lender
the architect or engineer
the awarding authority
6" -Correct Answer ✔When you lay 40-lb felt for tile, how much would you lap the
seams on the side?
4"
Roofing
,Roofing
5"
6"
7"
158°-176° F -Correct Answer ✔What is the melting point of Type II flat asphalt?
135°-151° F
158°-176° F
185°-205° F
210°-225° F
heat or a chemical solvent -Correct Answer ✔To form water-tight lap joints with PVC
single-ply membranes, use:
hot tar
nails
epoxy
heat or a chemical solvent
Roofing
, Roofing
plastic asphalt cement -Correct Answer ✔What sort of adhesive do you use on rolled
roofing?
rubber cement
tar
plastic asphalt cement
other
240 ft -Correct Answer ✔How many lineal feet (in a double course) to a square of wood
shingles?
160 ft
180 ft
200 ft
240 ft
rafters -Correct Answer ✔What is the name of the framing that supports the dead load?
rafters
Roofing
