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100+ Free MS Marine Construction Practice Questions

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2026 Statistics

Key Facts: MS Marine Construction Exam

70%

Passing Score

PSI MS Contractor Bulletin 4/23/2026

40 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 Marine Construction PSI trade exam: 40 questions, 70% pass, 2 hours, fee $120. Open-book MSBOC classification (bulletin 4/23/2026).

Sample MS Marine Construction Practice Questions

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

1On a Biloxi marina pile-driving job, employees work from a barge deck over open water where a drowning hazard exists. OSHA 29 CFR 1926.106 requires those employees to be provided with which of the following?
A.Any brightly colored foam seat cushion from the workboat
B.U.S. Coast Guard-approved life jackets or buoyant work vests
C.A safety harness with no flotation device
D.Only a throwable cushion kept in the crane cab
Explanation: OSHA 1926.106(a) requires U.S. Coast Guard-approved life jackets or buoyant work vests when employees work over or near water and a drowning hazard exists. A harness addresses fall arrest, not flotation, and an unapproved cushion is not an acceptable personal flotation device.
2At a Gulfport wharf reconstruction site with a drowning hazard, OSHA 1926.106 requires ring buoys that meet which combination of line length and spacing?
A.At least 50 feet of line, spaced not more than 300 feet apart
B.At least 75 feet of line, spaced not more than 150 feet apart
C.At least 90 feet of line, spaced not more than 200 feet apart
D.At least 120 feet of line, spaced not more than 400 feet apart
Explanation: OSHA 1926.106(c) requires ring buoys with at least 90 feet of line, readily available for rescue, and spaced so the distance between ring buoys does not exceed 200 feet. Those dimensions are commonly tested on marine construction safety items.
3OSHA 29 CFR 1926.106 requires which rescue craft provision at locations where employees work over or adjacent to water?
A.At least one lifesaving skiff immediately available
B.A Coast Guard cutter standing by within 5 miles
C.Two commercial dive teams on 30-minute call
D.Only a cell phone with the harbor master's number
Explanation: OSHA 1926.106(d) requires at least one lifesaving skiff to be immediately available where employees work over or adjacent to water. Communication alone, and standby vessels or divers that are not immediately available, do not satisfy the skiff rule.
4Under OSHA 1926.106, when must buoyant work vests or life preservers be inspected for defects that would reduce strength or buoyancy?
A.Only at the start of the project
B.Only after a worker falls in the water
C.Once each calendar year
D.Prior to and after each use
Explanation: OSHA 1926.106(b) requires inspection of buoyant work vests or life preservers prior to and after each use. Defective units must be removed from service. A one-time or annual look is not enough on a wet, abrasive marine job.
5OSHA 29 CFR 1926.603 requires stop blocks on pile-driver leads for which primary purpose?
A.To mark the required pile cutoff elevation
B.To prevent the hammer from being raised against the head block
C.To lock the barge spuds in the raised position
D.To keep the crane boom from swinging over water
Explanation: OSHA 1926.603(a)(4) requires stop blocks on the leads so the hammer cannot be raised into the head block. That overtravel can part the hoist line, damage sheaves, or drop the hammer. Stop blocks are a lead-travel limit, not a grade mark or barge-spud lock.
6While a loft worker sets a pile cushion under a raised diesel hammer, OSHA 1926.603 requires which protection in the leads?
A.A timber wedge driven between the barge deck and the leads
B.A tag line held by a worker standing under the ram
C.A blocking device capable of safely supporting the hammer weight, placed in the leads under the hammer
D.Only a verbal 'all clear' from the crane operator
Explanation: OSHA 1926.603(a)(5) requires a blocking device that can safely support the hammer to be placed in the leads under the hammer whenever employees work under it. Verbal clearance or a deck wedge does not keep a dropped ram from striking the worker.
7OSHA 1926.603 requires pile-driver operator overhead protection that will not obscure vision and that is equivalent in strength to which of the following?
A.1/4-inch tempered hardboard
B.Window screen or expanded metal lath
C.6-mil polyethylene sheeting
D.2-inch planking or other solid material of equivalent strength
Explanation: OSHA 1926.603(a)(3) requires overhead protection equivalent to 2-inch planking or other solid material of equal strength, and the protection must not block the operator's vision. Light sheet goods and mesh do not provide that impact resistance.
8A steam hose serving a steam pile hammer must be secured to the hammer so that a broken joint cannot whip. OSHA 1926.603 requires that attachment to be which of the following?
A.Duct tape wrapped over the union
B.An adequate length of at least 1/4-inch-diameter chain or cable
C.A single strand of tie wire
D.A nylon zip-tie rated for weather exposure
Explanation: OSHA 1926.603(a)(9) requires the steam hose to a steam hammer or jet pipe to be securely attached with an adequate length of at least 1/4-inch-diameter chain or cable. Air-hammer hoses need the same whip protection. Tape, tie wire, and plastic ties are not equivalent restraints for a pressurized steam or air line.
9According to OSHA 1926.603, steam-line controls on a pile hammer must consist of which arrangement?
A.A single globe valve at the boiler only
B.Two shutoff valves, one of which is a quick-acting lever type within easy reach of the hammer operator
C.A pressure-relief valve with no shutoff
D.A thermostat mounted on the leads
Explanation: OSHA 1926.603(a)(11) requires two steam-line shutoff valves, and one must be a quick-acting lever type within easy reach of the hammer operator. That second, close-at-hand valve lets the operator kill steam immediately if a hose, hammer, or pile goes out of control.
10During pile driving, OSHA 1926.603 requires engineers and winchmen to accept signals from whom?
A.Anyone on the barge deck who waves
B.Only the designated signalmen
C.The first worker who makes eye contact
D.The boat captain exclusively, even when that person is not signaling the hammer
Explanation: OSHA 1926.603(c)(1) requires engineers and winchmen to accept signals only from the designated signalmen. Competing hand signals from several deckhands are a common cause of dropped piles and struck-by incidents.

About the MS Marine Construction Exam

Mississippi Marine Construction Contractor Examination is a classification trade examination administered by PSI for the Mississippi State Board of Contractors. The official open-book exam has 40 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

40 scored questions

Time Limit

2 hours

Passing Score

70%

Exam Fee

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

MS Marine Construction Exam Content Outline

15%

Safety

Marine construction safety

45%

Miscellaneous Engineering - Pile Driving

Pile driving, docks, and marine structures

30%

Concrete

Marine concrete

10%

Concrete - Reinforcing Steel

Reinforcing steel in marine work

How to Pass the MS Marine Construction Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 40 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 Marine Construction 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 Marine Construction exam?

The official PSI examination has 40 scored questions (plus possible unscored experimental items). Passing is 70% within 2 hours.

How much does the MS Marine Construction 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.