NASCLA EXAM QUESTIONS AND ANSWERS
(VERIFIED AND WELL DETAILED ANSWERS) LATEST
UPDATE 2025/2026
Determine LF of wall 24' at 16"oc - ..(answers)..193.25'
Max spacing of web cross bracing for wood trusses? - ..(answers)..20'
Screw type to attach drywall to metal stud - ..(answers)..Type S
Weld washers are req'd for metal thickness less than what? - ..(answers)..0.028
(22 gauge)
What is bearing depth for a steel joist girder? - ..(answers)..7 1/2"
Why are indentations in waffle slab in 2 way reinforced concrete slab known as? -
..(answers)..Domes
Steel decking will have what percentage of its perimeter working? -
..(answers)..75%
Minimum corner bead fastener spacing? - ..(answers)..12"
What reinforcement req'd for vent pipe roof penetration? - ..(answers)..None
, Steel joist minimum bearing on steel bearing plate - ..(answers)..4"
Minimum number of ties for each rebar in mat foundation - ..(answers)..3
Joints made to accommodate movement - ..(answers)..Contraction Joints
Vibrator method - ..(answers)..15" intervals for 10-15 seconds
Minimum number of employees to keep OSHA records - ..(answers)..10
Fair labor standards act provides sub minimum wage provisions for what
employee group? - ..(answers)..Student Learners
I-9 forms completed within how many days of hire? - ..(answers)..3 days
Purpose of indemnification clause - ..(answers)..Protect contractor against loss
due to theft or fire
OSHA citations must be posted within how many days? - ..(answers)..3 days
W4 request deadline - ..(answers)..February 15th
(VERIFIED AND WELL DETAILED ANSWERS) LATEST
UPDATE 2025/2026
Determine LF of wall 24' at 16"oc - ..(answers)..193.25'
Max spacing of web cross bracing for wood trusses? - ..(answers)..20'
Screw type to attach drywall to metal stud - ..(answers)..Type S
Weld washers are req'd for metal thickness less than what? - ..(answers)..0.028
(22 gauge)
What is bearing depth for a steel joist girder? - ..(answers)..7 1/2"
Why are indentations in waffle slab in 2 way reinforced concrete slab known as? -
..(answers)..Domes
Steel decking will have what percentage of its perimeter working? -
..(answers)..75%
Minimum corner bead fastener spacing? - ..(answers)..12"
What reinforcement req'd for vent pipe roof penetration? - ..(answers)..None
, Steel joist minimum bearing on steel bearing plate - ..(answers)..4"
Minimum number of ties for each rebar in mat foundation - ..(answers)..3
Joints made to accommodate movement - ..(answers)..Contraction Joints
Vibrator method - ..(answers)..15" intervals for 10-15 seconds
Minimum number of employees to keep OSHA records - ..(answers)..10
Fair labor standards act provides sub minimum wage provisions for what
employee group? - ..(answers)..Student Learners
I-9 forms completed within how many days of hire? - ..(answers)..3 days
Purpose of indemnification clause - ..(answers)..Protect contractor against loss
due to theft or fire
OSHA citations must be posted within how many days? - ..(answers)..3 days
W4 request deadline - ..(answers)..February 15th
