Which ASTM specification is the long-standing standard for carbon structural steel plate, bars, and shapes with a minimum yield strength of 36 ksi?
Fundamentals Materials
Question · Easy
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Short
A W12x50 beam has a nominal depth of 12 inches. What does the "50" in the designation represent, and what is the weight of a 20 ft piece?
Fundamentals Shapes
Which steel grade is the contemporary ASTM standard for W-shapes (rolled wide-flange beams) used in building construction, with Fy = 50 ksi and Fu = 65 ksi?
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What is the approximate unit weight of structural steel used for calculating self-weight in takeoffs and tonnage estimates?
Fundamentals Properties
Which ASTM specification covers cold-formed welded and seamless carbon steel structural tubing used for HSS columns and struts?
OSHA fall heights, to scale
What is the primary purpose of mill test reports (MTRs) provided with structural steel deliveries?
Which corrosion protection method is most commonly specified for exposed structural steel in a Florida coastal environment?
Fundamentals Corrosion
Question · Medium
What is the minimum yield strength (Fy) of ASTM A572 Grade 50 structural steel?
On a set of structural steel construction drawings, which document takes precedence when a conflict exists between the drawings and the written specifications?
Design Planning Documents
What is the purpose of an erection drawing in a structural steel project?
Design Planning Erection Drawings
What is the difference between a shop drawing and an erection drawing?
On a structural steel plan, what does the abbreviation "WT" designate?
Design Planning Plan Reading
On a steel framing plan, what does the callout "L4x4x1/2" represent?
On a set of structural drawings, what is the standard architectural scale typically used for framing plans of small commercial buildings?
A fabricator must verify the piece count of W12x40 beams on a project. The plan calls for 18 beams, each 25 ft long. What is the total weight of steel to be furnished for these beams?
Design Planning Estimating
Question · Hard
A 3/4 in diameter ASTM A325 bolt in a standard 13/16 in hole has what minimum tensile strength (Fub) per the RCSC and AISC specifications?
Design Planning Fasteners
A project specification requires a slip-critical connection. What does "slip-critical" mean under the RCSC Specification?
Design Planning Connections
Under AISC 360, what is the standard hole diameter used for a 3/4 in bolt in a standard (normal) round hole?
What is the typical AISC tolerance for the plumbness of a steel column in a building up to 20 stories under the AISC Code of Standard Practice?
Design Planning Tolerances
A fabrication shop drawing is submitted to the engineer of record for review. What is the primary purpose of this review?
On a project set, an addendum is issued after the original contract documents are released. What is its effect on the contract documents?
A structural plan shows a grid line labeled "A" running north-south and "1" running east-west. What do these grid lines typically represent?
On a structural drawing, what does the symbol "▽" placed next to an elevation typically indicate?
A set of structural drawings references "FBC 2023" in the general notes. What does FBC stand for, and what is its role?
Design Planning Codes
On a structural steel project, the engineer of record has specified a connection that the fabricator's detailer believes is not constructible. What is the proper course of action?
Which cutting process uses a stream of high-velocity abrasive particles to cut steel, leaving a smooth edge without a heat-affected zone?
Fabrication Cutting
Which thermal cutting process is most commonly used in fabrication shops for cutting carbon steel plate up to about 1-1/2 in thick at high speed?
When drilling bolt holes in structural steel in the shop, what is the typical clearance between the bolt diameter and the standard hole diameter?
Fabrication Drilling
What is the primary purpose of a welding procedure specification (WPS) under AWS D1.1?
Fabrication Welding
Which AWS electrode classification is most commonly used for shielded metal arc welding (SMAW) of A36 and A992 structural steel in the shop and field?
Under AWS D1.1, what is the minimum fillet weld size for a T-joint where the thinner connected part is 1/2 in thick?
On a structural drawing, a weld symbol shows a flag at the junction of the reference line and arrow. What does this flag indicate?
A fabricator is preparing to bolt a shear tab to a beam web using 3/4 in A325 bolts in a bearing-type connection. What is the standard hole size to be drilled?
Fabrication Bolting
Under the RCSC Specification, what does "snug-tight" installation of a high-strength bolt mean?
Which of the following is an approved method for pretensioning high-strength bolts under the RCSC Specification?
A fabricator must drill 24 bolt holes in a single beam flange using a CNC drilling line. The drilling cycle per hole is 18 seconds including positioning. What is the total drilling time required?
Under AWS D1.1, what is the purpose of a preheat on a weldment?
Which of the following is a nondestructive examination (NDE) method commonly specified for structural welds under AWS D1.1?
A shop welder is required to make a 1/4 in fillet weld 12 in long. Approximately how much weld metal (in cubic inches) is required, assuming the fillet weld cross-section is a right triangle with equal legs?
When a fabricator loads structural steel onto a truck for shipment to the site, what is the proper basis for arranging the load?
Fabrication Loading
A fabricator is preparing a shop drawing for a W16x31 beam with a cope at one end to seat on a column. What is the proper term for the notch cut into the flange and web to allow the beam to seat over the supporting member?
Under AWS D1.1, which welding process uses a continuous wire electrode fed through a gun with shielding gas supplied from an external source?
Under OSHA 29 CFR 1926 Subpart R (Steel Erection), at what height does the standard require fall protection for employees on a walking/working surface with an unprotected side or edge above a lower level?
Erection Safety
Under OSHA 1926 Subpart R, what is the special provision for steel erectors working as "connectors" between 15 and 30 feet above a lower level?
Under OSHA 1926 Subpart R, when may the controlling contractor release the structural steel framing for general use by other trades?
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