NASCLA Exam 2024-2025 Questions and Answers, Exams of Construction

Download NASCLA Exam 2024-2025 Questions and Answers and more Exams Construction in PDF only on Docsity!

NASCLA EXAM 2024-2025 QUSTIONS

WITH CORRECT 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 Weight range for cellular core deck - ANSWER -5 psf Contract type for undefined work and quantities - ANSWER -Unit price Bearing strength for soft clay - ANSWER -800 psf Back sights are always added to... - ANSWER -Benchmark elevation Lbs of nails for 1 square of shingles - ANSWER -2 1/2# Barrier cable stress % - ANSWER -80% Roof working platform psf? - ANSWER -30 psf Brackets req'd at what slope for clay shingles - ANSWER -7:

Connect bearing wall to partition wall with what? - ANSWER -Strap anchor OSHA platform width minimum - ANSWER -18" Steel joist horizontal bridging minimum lap - ANSWER -2" Anchor used to join masonry wall to bearing wall - ANSWER -Strap Release joist cables for 65' joist when... - ANSWER -2 rows bolted diag bridging nearest 3rd points of steel joists installed and anchored Rebar locates where in mar slab? - ANSWER -2" from top and 3" from bottom What increases shear/torsion resistance in a beam and holds other rebar in place? - ANSWER -Stirrups Blue label cedar shingle bundles per square? - ANSWER - 4 Cast inserts missing... corrective measure - ANSWER -Expansion bolts Nominal size if 8" stretcher block - ANSWER -8x8x What describes project, pricing method, time, and owner info? - ANSWER -Agreement Used to measure bearing capacity of cohesive soils? - ANSWER -Penetrometer Preferred angle of stringer - ANSWER -30 - 35 degrees Used to tell if concrete forms can be removed - ANSWER -Penetration

High early strength cement tupe - ANSWER -Type III Specific document signed to change scope - ANSWER -Change order Minimum rebar for unbonded post tensioning - ANSWER -# Minimum bracing lumber and fasteners to brace trusses - ANSWER -2x4 with 16d nails Minimum rows of top chord bridging for 38' joist with #8 chord member - ANSWER - 3 Install bottom chord temp lateral restraint at what spacing? - ANSWER -15 O.C. Minimum req'd end ancore weld for steel girder - ANSWER -1/4@2" Manual stacked lumber max height - ANSWER -16' Higher water to cement ratio - ANSWER -Lower the strength Soil class for sand - ANSWER -Type C Network diagram schedule also referred to as - ANSWER -Critical path schedule Proper size self drilling screw to attach deck to steel - ANSWER -# Roof deck lap over supports - ANSWER -2" Lumber defect for lengthwise grain separation through and between growth rings - ANSWER -Shake

Lateral braces must be lapped at least how many trusses - ANSWER - 2 What is considered a current liability - ANSWER -6 month note then mortgage How long to maintain osha records - ANSWER -5 years Emergency action plan required for how many employees? - ANSWER -10 or more hot weather placement of concrete means... - ANSWER -Less compressive strength Horizontal lifeline safety factor - ANSWER - 2 Responsible for providing g documentation of materials, install, & tests - ANSWER -Quality control team Post stress strand length beyond wedges - ANSWER -1/2" - 3/4" Before stressing the tendon tail must extend how far past form? - ANSWER -12" 3 tab shingle head lap with 5" exposure - ANSWER -2" Commonly used wall tie - ANSWER -Z tie Protruding objects should not protrude more than how far into path of travel - ANSWER -4" Concrete hardens to about what % of full strength before stressing tendon? - ANSWER -75% Horizontal truss blocking spacing - ANSWER -8 - 10 feet Why not to use wood shims to level floor systems - ANSWER -They are compressive

Banded tendons should be bundled not more tha (5) 1/2" or _________ inch in a group - ANSWER -0. Minimum bolt diameter for precast connection - ANSWER -1/2" Guardrail height range - ANSWER -38" - 45" Certificate of occupancy is issued to who - ANSWER -Owner OSHA requires masonry walls of ____ feet to be braced - ANSWER -8'