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100+ Free MS Concrete Practice Questions

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2026 Statistics

Key Facts: MS Concrete Exam

70%

Passing Score

PSI MS Contractor Bulletin 4/23/2026

50 Q

Official Exam Questions

PSI MS Contractor Bulletin 4/23/2026

2 hours

Time Allowed

PSI MS Contractor Bulletin 4/23/2026

$120

PSI Exam Fee

PSI MS Contractor Bulletin 4/23/2026

Open book

Exam Format

PSI MS Contractor Bulletin 4/23/2026

MS Concrete PSI trade exam: 50 questions, 70% pass, 2 hours, fee $120. Open-book MSBOC classification (bulletin 4/23/2026).

Sample MS Concrete Practice Questions

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

1Per OSHA 1926.701, what must be done with protruding reinforcing steel onto or into which employees could fall?
A.Paint the bars high-visibility orange
B.Guard the bars to eliminate the impalement hazard
C.Bend every bar flat before any other trade arrives
D.Cover only bars taller than 6 feet
Explanation: OSHA 1926.701(b) requires all protruding reinforcing steel, onto and into which employees could fall, to be guarded to eliminate the impalement hazard. Typical controls are mushroom caps rated for impalement, troughs, or other covers that actually prevent a worker from being impaled. Color coding or waiting until bars are tall does not meet the rule.
2According to OSHA 1926.701, which practice is prohibited during concrete placement with crane-handled buckets?
A.Routing the bucket over the fewest exposed workers practical
B.Using a bucket with a positive safety latch on a pneumatic gate
C.Allowing an employee to ride the concrete bucket
D.Keeping nonessential workers out from under an elevated bucket
Explanation: OSHA 1926.701(d) states that no employee shall be permitted to ride concrete buckets. 1926.701(e) also forbids working under buckets being raised or lowered and requires routing elevated buckets to limit exposure. Hardware such as positive latches is required by 1926.702(f), but riding the bucket is never allowed.
3A crane is lowering a loaded concrete bucket into a wall form. Where may employees stand while the bucket is being elevated or lowered into position?
A.Directly under the bucket to guide it by hand
B.Anywhere inside the form as long as hard hats are worn
C.Not under the bucket; they must stay clear of the load path
D.On the bucket bail to steady the descent
Explanation: OSHA 1926.701(e)(1) prohibits employees from working under concrete buckets while the buckets are being elevated or lowered into position. Elevated buckets must be routed, to the extent practical, so that no employee or the fewest employees are exposed. Guiding from under the load or riding the hardware creates a struck-by and crush hazard.
4During post-tensioning, OSHA 1926.701 requires which control?
A.Only essential employees may be behind the jack, and signs and barriers must limit access
B.All trades may watch from behind the jack if they wear eye protection
C.The jack may be operated without barriers if the tendon is less than 50 feet long
D.Employees may stand in line with the tendon to check elongation by eye
Explanation: OSHA 1926.701(c) allows only employees essential to the post-tensioning operation behind the jack and requires signs and barriers to limit access during tensioning. A broken tendon or failed anchorage can release stored energy along the jack and tendon line. Length of the tendon does not waive the access controls.
5A walk-behind power trowel that is manually guided must, per OSHA 1926.702, have which feature?
A.A lock-on throttle so the operator can use both hands for finishing
B.A control switch that shuts off power when the operator's hands leave the handles
C.A minimum 36-inch handle extension beyond the guard ring
D.An unguarded blade so the operator can see the pan
Explanation: OSHA 1926.702(c) requires powered, rotating, manually guided trowels to have a control switch that automatically shuts off the power whenever the operator's hands are removed from the handles. That dead-man control stops a runaway machine if the operator slips or is thrown. Lock-on throttles and unguarded blades increase the same hazard.
6A concrete mixer with a 1 cubic yard or larger loading skip must be equipped with which OSHA 1926.702 combination?
A.A mechanical skip-clearing device and guardrails on each side of the skip
B.A spotter only, with no skip guards required
C.A canvas cover over the drum and no skip rails
D.A gravity skip with no mechanical clearer if the operator stands clear
Explanation: OSHA 1926.702(b) requires mixers with 1 cubic yard (0.8 m³) or larger loading skips to have a mechanical device to clear the skip of materials and guardrails installed on each side of the skip. The mechanical clearer keeps workers from climbing into a charged skip; the rails keep them from falling into the skip path.
7OSHA 1926.702 requires concrete pumping systems that use discharge pipe to have pipe supports designed for what overload?
A.10 percent overload
B.25 percent overload
C.50 percent overload
D.100 percent overload
Explanation: OSHA 1926.702(e)(1) requires pipe supports on concrete pumping systems using discharge pipes to be designed for 100 percent overload. Pump line surge, blockages, and full-line weight can greatly exceed static pipe weight. Compressed-air hoses on the same systems also need positive fail-safe joint connectors per 1926.702(e)(2).
8An employee is applying a cement, sand, and water mixture through a pneumatic hose. What personal protective equipment does OSHA 1926.701 require?
A.Hearing protection only
B.Protective head and face equipment
C.A welding hood with a No. 10 filter
D.No special head or face protection if goggles are in the truck
Explanation: OSHA 1926.701(f) prohibits applying a cement, sand, and water mixture through a pneumatic hose unless the employee is wearing protective head and face equipment. Shotcrete and similar pneumatic application can rebound abrasive material into the face and head. Hearing protection may also be needed, but it is not the cited Subpart Q requirement.
9OSHA 1926.702 requires masonry saws to be guarded with which enclosure?
A.An open top splash shield only
B.A full plywood box around the operator
C.A semicircular enclosure over the blade that can retain blade fragments
D.No guard if the saw is used outdoors
Explanation: OSHA 1926.702(i) requires masonry saws to be guarded with a semicircular enclosure over the blade and a method for retaining blade fragments in that enclosure. A bursting blade can throw fragments at high speed. Outdoor use does not waive the guard.
10Before an employee repairs a concrete mixer where inadvertent startup could cause injury, OSHA 1926.702 requires what energy-control step?
A.Tell nearby workers the mixer is down and begin work immediately
B.Lock out and tag all potentially hazardous energy sources; tags must read Do Not Start or similar language
C.Remove only the spark plug on gasoline mixers and leave electric mixers energized
D.Place a traffic cone on the skip
Explanation: OSHA 1926.702(j) forbids maintenance or repair on equipment such as mixers, pumps, screens, or compressors where inadvertent operation could cause injury unless all potentially hazardous energy sources have been locked out and tagged. Tags must read “Do Not Start” or similar language. Verbal notice or a cone is not lockout.

About the MS Concrete Exam

Mississippi Concrete Contractor Examination is a classification trade examination administered by PSI for the Mississippi State Board of Contractors. The official open-book exam has 50 questions, a 70% passing standard, and 2 hours allowed. PSI examination fee is $120 per portion (bulletin updated 4/23/2026). This English-language MCQ bank is a study aid for the official content outline; it is not an official PSI form, does not replace the required Law and Business Management exam, and is not a substitute for MSBOC application review or the official open-book examination.

Questions

50 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

$120 (PSI Services LLC (for Mississippi State Board of Contractors))

MS Concrete Exam Content Outline

12%

Safety

Concrete construction safety

6%

Concrete-Earthwork

Excavation and earthwork for concrete

30%

Concrete

Mix, placement, finishing, and curing

20%

Concrete-Reinforcement

Rebar and mesh placement

24%

Concrete-Formwork

Form design, erection, and stripping

8%

Concrete - Cutting

Sawcutting and concrete cutting

How to Pass the MS Concrete Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 50 questions
  • Time limit: 2 hours
  • Exam fee: $120

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

MS Concrete Study Tips from Top Performers

1Study only the approved references listed for this classification in the current PSI Mississippi Contractor bulletin (updated 4/23/2026)
2Practice open-book navigation with permanent tabs and indexes before test day
3Drill OSHA 29 CFR 1926 topics that appear across nearly every trade outline
4Confirm MSBOC classification scope and eligibility at msboc.us before scheduling with PSI
5All applicants must also pass Law and Business Management unless it is waived

Frequently Asked Questions

How many questions are on the MS Concrete exam?

The official PSI examination has 50 scored questions (plus possible unscored experimental items). Passing is 70% within 2 hours.

How much does the MS Concrete exam cost?

PSI lists $120 per examination portion (Candidate Information Bulletin updated 4/23/2026). MSBOC application fees are separate: $400 commercial or $50 residential. Additional classifications are $100 each.

Is the Mississippi contractor exam open book?

Yes. PSI administers MSBOC classification exams as open book. Only bulletin-listed approved references are allowed; temporary tabs such as Post-it notes are prohibited.

Do I still need the Law and Business Management exam?

Yes. MSBOC requires the Mississippi Law and Business Management exam (50 questions, 70%, 2 hours) of all applicants. Reciprocity may waive a trade exam in some cases but does not waive Law and Business.