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100+ Free NM CID GS-24 Practice Questions

Prepare for the New Mexico CID GS-24 Structural Steel Erection Examination exam with instant access — no signup required.

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2026 Statistics

Key Facts: NM CID GS-24 Exam

75%

Passing Score

PSI NM Contractor Bulletin 4/3/2026

40 Q

Official Exam Questions

PSI NM Contractor Bulletin 4/3/2026

120 min

Time Allowed

PSI NM Contractor Bulletin 4/3/2026

USD 68.88

PSI Exam Fee

PSI NM Contractor Bulletin 4/3/2026

NM CID GS-24 is a 40-question PSI structural steel erection exam, 75% pass, 120 minutes, USD 68.88 (bulletin 4/3/2026).

Sample NM CID GS-24 Practice Questions

Try these sample questions to test your NM CID GS-24 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1On an erection drawing, what does the designation W16×36 identify?
A.A wide-flange beam about 16 in. deep that weighs 36 lb per linear foot
B.A 16 ft long beam that weighs 36 lb total
C.A plate 16 in. wide by 36 in. long
D.A 16 in. deep channel that weighs 36 kg per meter
Explanation: Wide-flange (W) shapes are designated by nominal depth in inches and nominal weight in pounds per linear foot. A W16×36 is therefore about 16 in. deep and weighs 36 lb/ft. Piece weight is that unit weight times the shipped length.
2What is the standard trade weight of a 1 in. thick carbon-steel plate per square foot?
A.490 lb/sq ft
B.40.8 lb/sq ft
C.20.4 lb/sq ft
D.12.5 lb/sq ft
Explanation: Structural carbon steel weighs about 490 lb/cu ft, which is 40.8 lb/sq ft for each inch of thickness. Erectors use 40.8 t, where t is thickness in inches, to estimate plate, base-plate, and gusset lifts.
3A W16×36 beam is 40 ft long. What is its theoretical piece weight before fittings?
A.640 lb
B.1,600 lb
C.1,440 lb
D.3,600 lb
Explanation: W16×36 weighs 36 lb per foot. 36 × 40 = 1,440 lb. That is the number a rigger uses, plus any plates, bolts, or dunnage on the piece, when checking the hitch and crane chart.
4Estimate the weight of a 1/2 in. thick steel plate that is 4 ft wide by 8 ft long.
A.327 lb
B.1,306 lb
C.490 lb
D.653 lb
Explanation: One-half-inch plate weighs 0.5 × 40.8 = 20.4 lb/sq ft. Area is 4 × 8 = 32 sq ft. 20.4 × 32 = 652.8 lb, which rounds to 653 lb. The same result is 0.5 × 48 × 96 × 0.2836 ≈ 653 lb.
5What unit weight do erectors use for carbon structural steel when converting volume to pounds?
A.490 lb/cu ft
B.150 lb/cu ft
C.40.8 lb/cu ft
D.62.4 lb/cu ft
Explanation: Carbon structural steel is taken as 490 lb/cu ft (about 0.2836 lb/cu in.). Volume in cubic feet times 490 gives piece weight. The 40.8 lb/sq ft-per-inch shortcut is just 490 ÷ 12.
6A lift includes six W14×82 columns, each 28 ft long, and eight W18×50 beams, each 30 ft long. Ignoring fittings, what is the combined steel weight?
A.13,776 lb
B.25,776 lb
C.12,000 lb
D.21,336 lb
Explanation: Columns: 6 × 82 lb/ft × 28 ft = 13,776 lb. Beams: 8 × 50 lb/ft × 30 ft = 12,000 lb. Combined weight is 13,776 + 12,000 = 25,776 lb. Add connection material before comparing the total to the crane and rigging charts.
7What is the standard end-bearing seat depth of a K-series steel joist so that joist tops align regardless of joist depth?
A.5 in.
B.4 in.
C.2-1/2 in.
D.1 in.
Explanation: SJI K-series joists are furnished with a 2-1/2 in. end-bearing seat. That common seat depth keeps top-of-joist elevations in one plane when mixed depths bear on the same girder or wall. LH- and DLH-series seats are deeper.
8A 40 ft by 50 ft bay uses open-web joists spanning 40 ft at 5 ft on center, with a joist at each supporting girder. How many joists are required?
A.10
B.8
C.13
D.11
Explanation: Joists span the 40 ft direction and are spaced along the 50 ft girder. Number of spaces is 50 ÷ 5 = 10. Including a joist at each girder end gives 10 + 1 = 11 joists. Always add one unless the supporting beams replace the end joists.
9What is the typical coverage width of Type B steel roof deck used for sheet-count takeoffs?
A.36 in.
B.24 in.
C.12 in.
D.48 in.
Explanation: SDI Type B (wide-rib) roof deck is manufactured to cover 36 in. after sidelaps are nested. Sheet count is roof width in feet divided by 3 ft of coverage, times the number of sheet lengths along the building. Type N deep-rib deck more often covers 24 in.
10A 90 ft by 120 ft roof uses Type B deck with 36 in. coverage. Sheets are 30 ft long and run the 120 ft direction. Ignoring waste and end-lap extra, how many sheets are required?
A.90 sheets
B.120 sheets
C.108 sheets
D.150 sheets
Explanation: Coverage width is 3 ft, so sheets across 90 ft = 90 ÷ 3 = 30. Sheets along 120 ft = 120 ÷ 30 = 4. 30 × 4 = 120 sheets. Area check: 90 × 120 = 10,800 sq ft; each sheet covers 30 × 3 = 90 sq ft; 10,800 ÷ 90 = 120.

About the NM CID GS-24 Exam

The New Mexico CID GS-24 examination covers structural steel erection. The official open-book PSI exam has 40 scored questions, a 75% passing standard (30 points), and 120 minutes allowed. Allowed references include the Handbook of Rigging (5th, 2009), Steel Joist Institute Technical Digest No. 9 (2025), Principles and Practices of Commercial Construction (9th, 2014), OSHA 29 CFR 1926, and the SDI Manual of Construction with Steel Deck (2nd, 2006). NMAC 14.6.6 GS-24 authorizes on-site fabrication and erection of structural steel shapes and plates, including riveting and welding, and does not authorize concrete foundations or complete buildings. Two years of foreman-level practical or related trade experience is required. PSI lists the fee at USD 68.88 (bulletin updated 4/3/2026). This English-language MCQ bank is a study aid, not an official PSI form.

Questions

40 scored questions

Time Limit

120 minutes

Passing Score

75% (30 of 40 points)

Exam Fee

USD 68.88 (PSI Services LLC (for New Mexico Construction Industries Division))

NM CID GS-24 Exam Content Outline

25%

Materials

Materials (10 items)

20%

Rigging

Rigging (8 items)

25%

Steel Erection

Steel erection (10 items)

20%

Attachment

Attachment (8 items)

10%

Safety

Safety (4 items)

How to Pass the NM CID GS-24 Exam

What You Need to Know

  • Passing score: 75% (30 of 40 points)
  • Exam length: 40 questions
  • Time limit: 120 minutes
  • Exam fee: USD 68.88

Keys to Passing

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

NM CID GS-24 Study Tips from Top Performers

1Materials and steel erection are 20 of 40 official items. Study SJI Digest 9 with OSHA 1926 Subpart R.
2This bank is an English-language MCQ study aid, not an official PSI form

Frequently Asked Questions

How many questions are on the NM GS-24 exam?

The official PSI examination has 40 scored questions. Passing is 75% (30 points) within 120 minutes (bulletin updated 4/3/2026).