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NOCTI Building Construction Occupations Practice Test

Unofficial practice for NOCTI Building Construction Occupations: safety, carpentry, masonry, electrical, plumbing, energy efficiency and blueprints.

An extension ladder gives access to a roof. How far must its side rails reach above the roof edge?

Pick an answer, then press Check answer. Then you see Correct or Not quite, with the reason. Keys: A to D pick, Enter checks.

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Exam mode: 50 questions, 55 minutes.

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Unofficial practice questions, not affiliated with NOCTI. Bank checked October 16, 2026.

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All 50 questions

Safety and General Knowledge 8

  • A bench grinder in the shop has an adjustable work rest. What is the widest gap allowed between the rest and the wheel? OSHA, 29 CFR 1926.303, paragraph (c)(2). Written to NOCTI Building Construction Occupations (4111), Safety and General Knowledge
  • A crew starts using a new construction adhesive. Where must its safety data sheet (SDS) be? OSHA, 29 CFR 1910.1200, paragraph (g)(8). Written to NOCTI Building Construction Occupations (4111), Safety and General Knowledge
  • A framing hammer has a wooden handle. In what condition must the handle be kept? OSHA, 29 CFR 1926.301, paragraph (d). Written to NOCTI Building Construction Occupations (4111), Safety and General Knowledge
  • A painter is working from a stepladder. Which part of the stepladder must never be used as a step? OSHA, 29 CFR 1926.1053, paragraph (b)(13). Written to NOCTI Building Construction Occupations (4111), Safety and General Knowledge
  • A roofer wants to pull a corded circular saw up to the roof by its cord. What does the power tool rule say? OSHA, 29 CFR 1926.302, paragraph (a)(2). Written to NOCTI Building Construction Occupations (4111), Safety and General Knowledge
Show all 50 questions (45 more)

Safety and General Knowledge, continued

  • A scaffold platform has a maximum intended load of 500 pounds. Besides its own weight, what load must the scaffold support without failure? OSHA, 29 CFR 1926.451, paragraph (a)(1). Written to NOCTI Building Construction Occupations (4111), Safety and General Knowledge
  • An extension ladder gives access to a roof. How far must its side rails reach above the roof edge? OSHA, 29 CFR 1926.1053, paragraph (b)(1). Written to NOCTI Building Construction Occupations (4111), Safety and General Knowledge
  • Framing is under way and scrap lumber with nails sticking out is piling up. What does the housekeeping rule require? OSHA, 29 CFR 1926.25, paragraph (a). Written to NOCTI Building Construction Occupations (4111), Safety and General Knowledge

Carpentry 14

  • A building is 40 feet long and its rafters are spaced 24 inches on center. Counting one at each end, how many rafters go on one side of the roof? Written to the NOCTI Job Ready Credential Blueprint for Building Construction Occupations (4111), Carpentry; the answer is arithmetic on the numbers in the question, worked twice
  • A gable roof has a span of 28 feet. What is the run of one of its common rafters? US Army FM 5-426, Carpentry (1995), chapter 7, roofing terms. Written to NOCTI Building Construction Occupations (4111), Carpentry; the arithmetic was worked twice
  • A partition is 20 feet long. With studs 16 inches on center and one at each end, how many studs are laid out? US Army FM 5-426, Carpentry (1995), chapter 6, walls and partitions. Written to NOCTI Building Construction Occupations (4111), Carpentry; the arithmetic was worked twice
  • A roof has 1,800 square feet of surface. If three bundles of strip shingles cover 100 square feet, how many bundles does it take? US Army FM 5-426, Carpentry (1995), chapter 7, asphalt-shingle roofs. Written to NOCTI Building Construction Occupations (4111), Carpentry; the arithmetic was worked twice
  • A stairwell opening is framed in a floor with headers and trimmers. Which way do the headers run? US Army FM 5-426, Carpentry (1995), chapter 6, floor openings. Written to NOCTI Building Construction Occupations (4111), Carpentry
  • A wall 10 feet high and 36 feet long has two windows, each 3 feet by 5 feet. How many square feet of siding cover it, leaving out the windows? Written to the NOCTI Job Ready Credential Blueprint for Building Construction Occupations (4111), Carpentry; the answer is arithmetic on the numbers in the question, worked twice
  • Asphalt strip shingles go on a new roof. Where is the first course, the starter course, laid? US Army FM 5-426, Carpentry (1995), chapter 7, asphalt-shingle roofs. Written to NOCTI Building Construction Occupations (4111), Carpentry
  • The exterior wall of a frame building usually has three layers over the studs. What is their order, from the studs outward? US Army FM 5-426, Carpentry (1995), chapter 2, walls. Written to NOCTI Building Construction Occupations (4111), Carpentry
  • The floor-to-floor height is 108 inches and each riser is to be 6 3/4 inches high. How many risers does the stairway need? US Army FM 5-426, Carpentry (1995), chapter 1, stairway drawings. Written to NOCTI Building Construction Occupations (4111), Carpentry; the arithmetic was worked twice
  • In a framed wall, what is the long horizontal member that the bottom ends of the studs bear on? US Army FM 5-426, Carpentry (1995), chapter 6, walls and partitions. Written to NOCTI Building Construction Occupations (4111), Carpentry
  • Which rafter runs from the plate to the ridge along the line where two roofs intersect? US Army FM 5-426, Carpentry (1995), chapter 7, roofing terms. Written to NOCTI Building Construction Occupations (4111), Carpentry
  • Which roof style has its pitch in one direction only? US Army FM 5-426, Carpentry (1995), chapter 7, roof types. Written to NOCTI Building Construction Occupations (4111), Carpentry
  • Why are annular (ring) and spiral nails made with threads? US Army FM 5-426, Carpentry (1995), chapter 2, nails. Written to NOCTI Building Construction Occupations (4111), Carpentry
  • Why is building paper laid between a subfloor and the finish floor? US Army FM 5-426, Carpentry (1995), chapter 6, flooring. Written to NOCTI Building Construction Occupations (4111), Carpentry

Masonry 6

  • A bathroom floor is 6 feet by 9 feet. How many 18-inch square tiles cover it, with no allowance for waste? Written to the NOCTI Job Ready Credential Blueprint for Building Construction Occupations (4111), Masonry; the answer is arithmetic on the numbers in the question, worked twice
  • A concrete block wall is being planned so that few blocks need cutting. In multiples of what should its length and height be designed? US Army FM 5-428, Concrete and Masonry (1998), chapter 8, modular planning. Written to NOCTI Building Construction Occupations (4111), Masonry
  • A standard concrete block measures 7 5/8 by 7 5/8 by 15 5/8 inches. How thick is the mortar joint that makes it fill a space of 8 by 8 by 16 inches? US Army FM 5-428, Concrete and Masonry (1998), chapter 8. Written to NOCTI Building Construction Occupations (4111), Masonry
  • What makes fresh concrete harden? US Army FM 5-428, Concrete and Masonry (1998), chapter 1. Written to NOCTI Building Construction Occupations (4111), Masonry
  • Which brick bond is the simplest, with every brick laid as a stretcher? US Army FM 5-428, Concrete and Masonry (1998), chapter 9, bond patterns. Written to NOCTI Building Construction Occupations (4111), Masonry
  • Why are steel bars or mesh set in a concrete footing that will be under tensile stress? US Army FM 5-428, Concrete and Masonry (1998), paragraph 1-11. Written to NOCTI Building Construction Occupations (4111), Masonry

Electrical 4

  • In standard color coding, what does white or gray insulation on a conductor show? US Army FM 5-424, Theater of Operations Electrical Systems (1997), chapter 2, electrical conductors. Written to NOCTI Building Construction Occupations (4111), Electrical
  • The lights on one 120-volt circuit draw 1,440 watts in all. How much current does the circuit carry? Written to the NOCTI Job Ready Credential Blueprint for Building Construction Occupations (4111), Electrical; the answer is arithmetic on the numbers in the question, worked twice
  • What does the American Wire Gauge (AWG) number of a wire describe? US Army FM 5-424, Theater of Operations Electrical Systems (1997), chapter 2, electrical conductors. Written to NOCTI Building Construction Occupations (4111), Electrical
  • Which breaker does a 240-volt circuit require? US Army FM 5-424, Theater of Operations Electrical Systems (1997), chapter 2, circuit breakers. Written to NOCTI Building Construction Occupations (4111), Electrical

Plumbing 4

  • Flux is brushed on a cleaned copper joint before it is soldered. What is the flux for? US Army FM 3-34.471, Plumbing, Pipe Fitting, and Sewerage (2001), paragraph 6-6. Written to NOCTI Building Construction Occupations (4111), Plumbing
  • PVC pipe is being joined to a fitting. What goes on the pipe end and inside the fitting just before the solvent cement? US Army FM 3-34.471, Plumbing, Pipe Fitting, and Sewerage (2001), paragraph 6-91. Written to NOCTI Building Construction Occupations (4111), Plumbing
  • What does a vent do in a drainage system? US Army FM 3-34.471, Plumbing, Pipe Fitting, and Sewerage (2001), chapter 9. Written to NOCTI Building Construction Occupations (4111), Plumbing
  • Why is a gate valve installed in each vertical supply riser of a building? US Army FM 3-34.471, Plumbing, Pipe Fitting, and Sewerage (2001), paragraph 1-26. Written to NOCTI Building Construction Occupations (4111), Plumbing

Energy Efficiency 6

  • A lighting plan swaps incandescent lamps for LED lamps. How do LED lamps compare? Wikipedia, LED lamp. Written to NOCTI Building Construction Occupations (4111), Energy Efficiency
  • A roof space is vented with louvers and has no soffit vents. By the Army carpentry manual, how much vent area does 1,500 square feet of floor space call for? US Army FM 5-426, Carpentry (1995), chapter 6, ventilators. Written to NOCTI Building Construction Occupations (4111), Energy Efficiency; the arithmetic was worked twice
  • A tight, well-insulated house gets a heat recovery ventilator (HRV). What does the HRV do with the stale air it exhausts? Wikipedia, Heat recovery ventilation. Written to NOCTI Building Construction Occupations (4111), Energy Efficiency
  • A wall has R-13 batts between the studs and R-5 foam sheathing over them. Leaving out the framing, what is the R-value of the two layers together? Wikipedia, R-value (insulation). Written to NOCTI Building Construction Occupations (4111), Energy Efficiency; the arithmetic was worked twice
  • An energy rater sets a blower door in the front doorway of a new house. What does the machine test? Wikipedia, Blower door. Written to NOCTI Building Construction Occupations (4111), Energy Efficiency
  • The ENERGY STAR label marks energy-efficient products and homes. Which federal agency established the program in 1992? Wikipedia, Energy Star. Written to NOCTI Building Construction Occupations (4111), Energy Efficiency

Blueprints, Building Layout, and Site Layout 8

  • A builder's level reads 4.50 feet on a rod held on the benchmark and 6.25 feet on a rod held on a footing. How does the footing sit against the benchmark? Written to the NOCTI Job Ready Credential Blueprint for Building Construction Occupations (4111), Blueprints, Building Layout, and Site Layout; the answer is arithmetic on the numbers in the question, worked twice
  • A crew checks a rectangular building layout by the diagonal method. What shows that the corners are square? US Army FM 5-426, Carpentry (1995), chapter 4, squaring lines. Written to NOCTI Building Construction Occupations (4111), Blueprints, Building Layout, and Site Layout
  • A footing detail is drawn at 3/4 inch = 1 foot. On the sheet the footing scales 1 1/2 inches across. How wide is the footing to be built? Written to the NOCTI Job Ready Credential Blueprint for Building Construction Occupations (4111), Blueprints, Building Layout, and Site Layout; the answer is arithmetic on the numbers in the question, worked twice
  • A foundation plan shows a rectangle 28 feet by 44 feet. How many linear feet of footing run around its outside? Written to the NOCTI Job Ready Credential Blueprint for Building Construction Occupations (4111), Blueprints, Building Layout, and Site Layout; the answer is arithmetic on the numbers in the question, worked twice
  • A set of working drawings holds general drawings and detail drawings. What do the general drawings consist of? US Army TM 5-704, Construction Print Reading in the Field, chapter 2. Written to NOCTI Building Construction Occupations (4111), Blueprints, Building Layout, and Site Layout
  • On an electrical plan, the arrow from a group of outlets is marked "B2". What does that tell the electrician? US Army TM 5-704, Construction Print Reading in the Field, chapter 3, electrical plans. Written to NOCTI Building Construction Occupations (4111), Blueprints, Building Layout, and Site Layout
  • On the elevations, the windows are marked W-1, W-2 and W-3. Where are the dimensions of each marked window given? US Army FM 5-426, Carpentry (1995), chapter 1, elevations. Written to NOCTI Building Construction Occupations (4111), Blueprints, Building Layout, and Site Layout
  • What does the bill of materials on a drawing list? US Army TM 5-704, Construction Print Reading in the Field, chapter 1, bill of materials. Written to NOCTI Building Construction Occupations (4111), Blueprints, Building Layout, and Site Layout

How this list was compiled: Our own questions, written to the competency list of the Job Ready Credential Blueprint for Building Construction Occupations (code 4111, version 01, copyright 2024) that NOCTI publishes at https://www.nocti.org/wp-content/uploads/Blueprints/JRBldgConsOcc4111.pdf , read 2026-10-15 and again 2026-10-16: a written assessment of 166 questions in 3 hours over seven areas (Safety and General Knowledge 16%; Carpentry 28%; Masonry 11%; Electrical 8%; Plumbing 8%; Energy Efficiency 13%; Blueprints, Building Layout, and Site Layout 16%), plus a performance assessment of six jobs. This bank holds 50 in those proportions. Every rule and definition was read on 2026-10-15 or 2026-10-16 on the public page named under its question: OSHA construction standards in 29 CFR 1926 and the hazard communication standard on osha.gov; the US Army manuals FM 5-426 Carpentry (1995), FM 5-428 Concrete and Masonry (1998), FM 3-34.471 Plumbing, Pipe Fitting, and Sewerage (2001), FM 5-424 Theater of Operations Electrical Systems (1997) and TM 5-704 Construction Print Reading in the Field, in the copies at archive.org; and Wikipedia. Every length, area and count is made up for the drill, and each computed answer is arithmetic that was worked twice. Licence: Questions, choices and explanations are original work of this site. The Army manuals are works of the United States government approved for public release, and no question or example is copied from them.

How it works

This free NOCTI Building Construction Occupations practice test has 50 questions of our own, sorted by the seven areas of the Job Ready blueprint, code 4111. It is unofficial and not affiliated with, endorsed by or sponsored by NOCTI.

Read the full guide

Seven areas, and Carpentry leads

Carpentry is 28% of the written assessment. Safety and General Knowledge and Blueprints, Building Layout, and Site Layout are 16% each, Energy Efficiency 13%, Masonry 11%, and Electrical and Plumbing 8% each. The 50 questions here split 14, 8, 8, 6, 6, 4 and 4.

The clock

All 50 questions in 55 minutes is the pace of the written assessment. No pass mark is printed in the blueprint, so a round gives a score and no verdict.

Left to the shop

The six performance jobs are not practiced here: soldering copper pipe, laying out a rafter, calculating and cutting a stud, rough and finish electrical, an 8-inch block wall and a PVC pipe assembly.

  • Count framing members by spaces plus one: 12 feet at 16 inches on center is 9 spaces and 10 studs.
  • A block with its mortar joint fills 8 by 8 by 16 inches, so wall lengths and heights work out in multiples of 8.
  • The run of a common rafter is half the span.

Questions and answers

How many questions are on the NOCTI Building Construction Occupations test?

The Job Ready blueprint, code 4111, lists 166 written questions in 3 hours, given in one, two or three sessions. The six performance jobs take another 3 hours.

Is this also practice for the NOCTI Teacher test in building construction occupations?

It covers the same ground. The Teacher assessment, code 5463, has 159 questions in 3 hours over the same seven areas, with Carpentry at 27%, Masonry 12%, Electrical 9% and Plumbing 7%.

How is Building Construction Occupations different from NOCTI Carpentry?

Carpentry, code 4317, is one trade in nine areas. Building Construction Occupations adds masonry, electrical, plumbing and energy efficiency, with carpentry as 28% of it. NOCTI Carpentry has its own practice test on this site.

Where is the NOCTI Building Construction Occupations blueprint?

It is a free PDF on nocti.org/credentials/blueprints. It lists the competencies, the weight of each area and ten sample questions, none of which is used or reworded here.

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