NASCLA ACCREDITED EXAM ACTUAL EXAM 250 QUESTIONS
AND CORRECT DETAILED ANSWERS WITH RATIONALES
(VERIFIED ANSWERS)
Determine LF of wall 24' at 16"oc - ANSWER: 193.25'
Max spacing of web cross bracing for wood trusses? - ANSWER: 20'
Screw type to attach drywall to metal stud - ANSWER: Type S
Weld washers are req'd for metal thickness less than what? - ANSWER: 0.028 (22
gauge)
What is bearing depth for a steel joist girder? - ANSWER: 7 1/2"
Why are indentations in waffle slab in 2 way reinforced concrete slab known as? -
ANSWER: Domes
Steel decking will have what percentage of its perimeter working? - ANSWER: 75%
Minimum corner bead fastener spacing? - ANSWER: 12"
What reinforcement req'd for vent pipe roof penetration? - ANSWER: None
Steel joist minimum bearing on steel bearing plate - ANSWER: 4"
Minimum number of ties for each rebar in mat foundation - ANSWER: 3
Joints made to accommodate movement - ANSWER: Contraction Joints
Vibrator method - ANSWER: 15" intervals for 10-15 seconds
Minimum number of employees to keep OSHA records - ANSWER: 10
Fair labor standards act provides sub minimum wage provisions for what employee
group? - ANSWER: Student Learners
I-9 forms completed within how many days of hire? - ANSWER: 3 days
Purpose of indemnification clause - ANSWER: Protect contractor against loss due to
theft or fire
OSHA citations must be posted within how many days? - ANSWER: 3 days
W4 request deadline - ANSWER: February 15th
AND CORRECT DETAILED ANSWERS WITH RATIONALES
(VERIFIED ANSWERS)
Determine LF of wall 24' at 16"oc - ANSWER: 193.25'
Max spacing of web cross bracing for wood trusses? - ANSWER: 20'
Screw type to attach drywall to metal stud - ANSWER: Type S
Weld washers are req'd for metal thickness less than what? - ANSWER: 0.028 (22
gauge)
What is bearing depth for a steel joist girder? - ANSWER: 7 1/2"
Why are indentations in waffle slab in 2 way reinforced concrete slab known as? -
ANSWER: Domes
Steel decking will have what percentage of its perimeter working? - ANSWER: 75%
Minimum corner bead fastener spacing? - ANSWER: 12"
What reinforcement req'd for vent pipe roof penetration? - ANSWER: None
Steel joist minimum bearing on steel bearing plate - ANSWER: 4"
Minimum number of ties for each rebar in mat foundation - ANSWER: 3
Joints made to accommodate movement - ANSWER: Contraction Joints
Vibrator method - ANSWER: 15" intervals for 10-15 seconds
Minimum number of employees to keep OSHA records - ANSWER: 10
Fair labor standards act provides sub minimum wage provisions for what employee
group? - ANSWER: Student Learners
I-9 forms completed within how many days of hire? - ANSWER: 3 days
Purpose of indemnification clause - ANSWER: Protect contractor against loss due to
theft or fire
OSHA citations must be posted within how many days? - ANSWER: 3 days
W4 request deadline - ANSWER: February 15th
