B/B-3/CR61 General Residential Exam
Questions & Answers (Grade A+)
What is the soil's load bearing value? Sandy-Gravel -
correct answer ✅3000 psi
Exterior gypsum sheathing fasteners should be spaced _____ apart.
-
correct answer ✅7 inches
What is the minimum size of a bed joint in a masonry wall at the
foundation? -
correct answer ✅1/4
What is the minimum screw length for attaching 1/2 inch gypsum
board to wood studs? -
correct answer ✅1 1/8 inch
What is the minimum thickness of exterior wood siding? -
correct answer ✅3/8
Underlayment for clay roof tile shall comply with the following? -
correct answer ✅ASTM D 226
, B/B-3/CR61 General Residential Exam
Questions & Answers (Grade A+)
A bank on an excavation site has a 3 to 1 slope, how many inches
per foot will the bank rise? -
correct answer ✅4 inches per foot
When excavating, what problem does water in the trench create? -
correct answer ✅Unstable Soil
What do you call a metal used to keep water from seeping into a
house? -
correct answer ✅Flashing
Notches allowed in the top and bottom of joists shall not exceed
what fraction of the depth of the joist? -
correct answer ✅1/6
Insulated foam boards must be separated from the interior by __
thermal barrier? -
correct answer ✅1/2 inch
What is the minimum side lap between wood shakes? -
correct answer ✅1 1/2
Questions & Answers (Grade A+)
What is the soil's load bearing value? Sandy-Gravel -
correct answer ✅3000 psi
Exterior gypsum sheathing fasteners should be spaced _____ apart.
-
correct answer ✅7 inches
What is the minimum size of a bed joint in a masonry wall at the
foundation? -
correct answer ✅1/4
What is the minimum screw length for attaching 1/2 inch gypsum
board to wood studs? -
correct answer ✅1 1/8 inch
What is the minimum thickness of exterior wood siding? -
correct answer ✅3/8
Underlayment for clay roof tile shall comply with the following? -
correct answer ✅ASTM D 226
, B/B-3/CR61 General Residential Exam
Questions & Answers (Grade A+)
A bank on an excavation site has a 3 to 1 slope, how many inches
per foot will the bank rise? -
correct answer ✅4 inches per foot
When excavating, what problem does water in the trench create? -
correct answer ✅Unstable Soil
What do you call a metal used to keep water from seeping into a
house? -
correct answer ✅Flashing
Notches allowed in the top and bottom of joists shall not exceed
what fraction of the depth of the joist? -
correct answer ✅1/6
Insulated foam boards must be separated from the interior by __
thermal barrier? -
correct answer ✅1/2 inch
What is the minimum side lap between wood shakes? -
correct answer ✅1 1/2
