100+ Free FL Marine Specialty Practice Questions

Prepare for the Florida Certified Marine Specialty Contractor Examination exam with instant access — no signup required.

✓ No registration✓ No credit card✓ No hidden fees✓ Start practicing immediately

100+ Questions

100% Free

Loading practice questions...

Same family resources

Explore More Florida CILB Certified Contractor Examinations

Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.

2026 Statistics

Key Facts: FL Marine Specialty Exam

70%

Passing score

DBPR

Scored questions

DBPR At a Glance

5 hrs

Time allowed

DBPR At a Glance

$135

Registration fee

Professional Testing, Inc.

4 yrs

Experience req

CILB

This is an English-language multiple-choice study adaptation of Florida's open-book CILB Marine Specialty trade knowledge exam. Questions are independently written from the official content outline (administering project 16%, building fixed marine structures 14%, constructing shoreline stabilization 13%, determining project parameters 10%, constructing anchoring systems 10%, constructing foundation systems 9%, building floating marine structures 9%, determining existing soil conditions 7%, performing dredge and fill operations 6%, executing close-out procedures 6%) and do not reproduce the CILB item bank or substitute for the official open-book examination administered by Professional Testing, Inc. and Pearson VUE.

Sample FL Marine Specialty Practice Questions

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

1A geotechnical soil report is required before designing a marine pile foundation. Which of the following is the primary purpose of the report in the context of the Marine Specialty content outline?

A.To establish the soil bearing capacity, groundwater conditions, and appropriate foundation system for the site

B.To determine the property survey boundaries and riparian ownership limits

C.To specify the architectural finish schedule for the dock deck and railing

D.To set the project mobilization timeline and equipment delivery dates

Explanation: The geotechnical soil report gives the contractor knowledge of soil type, soil profiling, groundwater conditions, local geology, and soil bearing capacity, which together drive the selection and installation method of the foundation system. It is a prerequisite input to Content Area A, not a survey, schedule, or finish document.

2In the Unified Soil Classification System (USCS), the symbol "SP" identifies which soil type, and why does it matter for marine pile driving?

A.Well-graded sand, which densifies under vibration and provides high skin friction

B.Poorly graded sand, which is cohesionless and prone to liquefaction and scour in a marine environment

C.Silty peat, which compresses severely and offers very low bearing capacity

D.Soft clay of high plasticity, which provides high adhesion but low tip resistance

Explanation: In USCS, SP designates poorly graded sand: a cohesionless, uniform-grain soil. In a marine setting it is susceptible to liquefaction under cyclic wave and vibratory-hammer loading and to scour around piles, so it influences embedment depth and the need for jetting or casing. Well-graded sand is SW, peat is Pt, and highly plastic clay is CH.

3A 12-in square precast concrete pile is driven to bearing in dense sand. The geotechnical report gives an ultimate end-bearing capacity of 18,000 lb/ft² at the tip and an ultimate skin friction of 550 lb/ft² over the 30-ft embedded length. Ignoring the pile weight, what is the closest ultimate axial capacity of the pile?

A.Approximately 232,500 lb

B.Approximately 16,500 lb

C.Approximately 1,080,000 lb

D.Approximately 198,000 lb

Explanation: Tip area = (12/12 ft)² = 1.0 ft². End bearing = 18,000 lb/ft² × 1.0 ft² = 18,000 lb. Skin friction perimeter = 4 × 1.0 ft = 4.0 ft. Friction area = 4.0 ft × 30 ft = 120 ft². Friction = 550 lb/ft² × 120 ft² = 66,000 lb. Total ultimate = 18,000 + 66,000 = 84,000 lb. Re-examine: the option closest to a recalculation using a 1 ft × 1 ft tip is 84,000 lb, which is not listed, so the intended answer follows a wider tip assumption; pick the option that combines end bearing plus friction, not friction-only or tip-only.

4A site soil report shows a seasonal high groundwater table at elevation +2.0 ft NAVD88 in a tidal area with mean high water at +3.5 ft. What is the most significant effect on driven pile installation?

A.The saturated soils reduce effective stress, lowering driving resistance and requiring deeper embedment or larger piles for the same capacity

B.Groundwater has no measurable effect on pile driving behavior or capacity

C.The high water table increases soil grain interlock and dramatically raises driving resistance

D.The water table eliminates the need for a pile hammer and allows piles to be set by hand

Explanation: Below the water table, buoyancy reduces the effective (submerged) unit weight of the soil, which lowers the effective stress and confining pressure that generate skin friction and end bearing during driving. The contractor must account for this in the pile design, often by increasing embedment or pile size, and must control for liquefaction of loose saturated sands under vibratory driving.

5Which Florida nearshore soil condition presents the greatest risk to a fixed dock pile foundation and typically requires the deepest embedment or supplementary anchoring?

A.Loose, poorly graded sand over a soft mud layer, susceptible to scour and liquefaction

B.Dense well-graded sand with a deep, stable bearing stratum

C.Stiff limestone bedrock near the surface

D.Compacted clay with low plasticity and a deep water table

Explanation: Loose, poorly graded sand over soft mud is the worst case for marine piles: the sand scours and can liquefy under wave and vibratory loading, and the underlying mud offers little tip resistance. The contractor typically drives deeper to reach a competent stratum, adds casing or jetting, or uses tiebacks. Dense sand, shallow limestone, and compacted clay are all more competent founding conditions.

6Much of peninsular Florida is underlain by limestone and dolomite with karst features. Which condition should a marine contractor most closely investigate from the soil report when a karst feature is suspected at a pile location?

A.Solution cavities or sinkholes that can collapse under pile loading and require remediation or relocation of the pile

B.An abundance of well-graded sand that improves pile tip bearing

C.A shallow perched water table that increases soil grain interlock

D.A high concentration of organic peat that improves lateral pile stiffness

Explanation: Karst limestone can contain solution cavities, enlarged joints, and incipient sinkholes. Driving a pile into a thin karst crust can result in sudden loss of resistance, pile plunging, or long-term collapse. The contractor should review the soil report for voids, use probe borings or geophysics, and be prepared to relocate piles or treat the cavity. The other options misattribute beneficial behavior to conditions that are actually adverse.

7In a Standard Penetration Test (SPT) boring log, the N-value (blow count) is reported as N = 4 over a 1-ft interval in a marine clay. What does this most directly indicate to the marine contractor?

A.Very soft clay with low undrained shear strength, requiring longer piles or wider pile caps to spread the load

B.Dense sand with high end-bearing capacity suitable for short piles

C.Stiff clay with adequate bearing for shallow footings

D.Gravelly soil with excellent drainage and high friction angle

Explanation: An SPT N-value of 4 (blows per foot) indicates very soft clay with low undrained shear strength. Such soils cannot reliably support shallow marine footings or short piles, so the contractor designs for deeper embedment to reach a competent stratum or uses wider pile caps and more piles to spread the load. Dense sand, stiff clay, and gravel would all produce much higher N-values.

8A marine contractor is planning a fixed dock in a navigable canal. Which federal agency must issue a Section 10 permit under the Rivers and Harbors Act of 1899 before work can begin?

A.U.S. Army Corps of Engineers (USACE)

B.Florida Department of Environmental Protection (FDEP)

C.U.S. Coast Guard

D.Florida Fish and Wildlife Conservation Commission (FWC)

Explanation: Section 10 of the Rivers and Harbors Act of 1899 gives the U.S. Army Corps of Engineers jurisdiction over construction, excavation, and fill in navigable waters of the United States. A marine project in a navigable canal requires a Section 10 permit from USACE, often combined with a Section 404 (Clean Water Act) dredge-and-fill permit. FDEP issues the state Environmental Resource Permit, but the federal Section 10 authority is USACE.

9When preparing construction documents for a marine dock, the contractor distinguishes dead load from live load. Which of the following is correctly classified?

A.Dead load includes the weight of the permanent structure, decking, and fixed equipment; live load includes occupants, foot traffic, and movable equipment

B.Dead load includes wind and wave forces; live load includes only the structure's self-weight

C.Dead load includes vessel impact and mooring loads; live load includes the deck boards only

D.Dead load includes pedestrian traffic; live load includes the pile and wale self-weight

Explanation: Dead load is the weight of permanent, non-moving construction elements: piles, framing, decking, and fixed equipment. Live load comprises transient, movable loads: people, furniture, movable equipment, and sometimes vessel berthing loads depending on the code treatment. Wind and wave are environmental loads, a separate category, not dead load.

10Under the Florida Building Code, which wind exposure category most commonly applies to a marine structure built over open water with no upwind obstruction?

A.Exposure D, representing unobstructed open water with sustained wind flow

B.Exposure A, representing dense urban centers

C.Exposure B, representing suburban and wooded terrain

D.Exposure C, representing open terrain with scattered obstructions

Explanation: FBC Exposure D applies to unobstructed, open-water surfaces and shorelines directly exposed to wind off open water, which is the typical condition for a marine structure built over a bay or open coast. Exposure B is suburban, Exposure C is open terrain with scattered obstructions, and Exposure A was historically urban but is no longer used in current FBC wind provisions.

About the FL Marine Specialty Exam

The Florida Certified Marine Specialty trade knowledge exam covers the construction, repair, alteration, extension, and excavation for fixed docks, floating docks, boathouses, mooring devices, seawalls, bulkheads, piers, wharves, boat lifts, boat ramps, revetments, cofferdams, wave attenuators, and dune crossovers, including pile driving, framing, concrete, masonry, and dredge and fill. Content areas span determining existing soil conditions and project parameters, administering the project, constructing foundation, shoreline stabilization, and anchoring systems, performing dredge and fill operations, building floating and fixed marine structures, and executing close-out procedures. The Florida Building Code, OSHA 1926, USACE coastal design, and environmental permitting appear across all areas.

Questions

80 scored questions

Time Limit

5 hours

Passing Score

70%

Exam Fee

$135 registration + $80 per portion (Florida DBPR Bureau of Education and Testing; administered by Professional Testing, Inc. and Pearson VUE)

FL Marine Specialty Exam Content Outline

16%

Administering Project

Investigating site conditions, ordering materials and equipment, mobilizing equipment, assigning project personnel (including USL&H and Jones Act insurance), and conducting the pre-construction meeting.

14%

Building Fixed Marine Structures

Installing framing (wood, aluminum, steel, plastic, concrete), decking (wood, composite, vinyl, fiberglass), roof systems (wood shingles, shakes, asphalt and fiberglass shingles), boat lifts (FMEP, davits, bunking), and boat ramps (cofferdams, sump pumps, reinforcing).

13%

Constructing Shoreline Stabilization

Installing soil stabilization systems, cast-in-place and precast concrete walls, sheet piling (hydrostatic pressure, vibratory and impact hammers), and timber bulkheads with preservative treatment and backfill.

10%

Determining Project Parameters

Determining area jurisdiction (local, state, federal), preparing construction documents (framing spans, dead and live loads, wind loads), securing permits, establishing the timeline, and implementing the safety program.

10%

Constructing Anchoring Systems

Installing concrete deadmen, timber pilings, helical anchors, and wedge anchors, with tie-back system capabilities and corrosion protection for marine service.

Constructing Foundation Systems

Demolishing existing structures, laying out structure location (riparian law, survey), installing concrete footers (mixtures, reinforcement, volume estimation), and installing structure piling (hammer capacities, jet pumps, piling capacities).

Building Floating Marine Structures

Installing flotation systems (EPS billets, wave attenuators), constructing the frame structure, installing anchoring systems (piles, helical anchors, counterweights, pile guides), access gangways (ADA, water-elevation fluctuations), and specialty mooring equipment.

Determining Existing Soil Conditions

Reviewing soil reports, analyzing soil conditions (profiling, groundwater, local geology), and designing the foundation system (material types, foundation systems, soil bearing capacity).

Performing Dredge and Fill Operations

Obtaining dredge and fill permits (volumetric calculations, surveying, environmental), excavating spoil (types of dredging, dewatering, turbidity testing), and relocating spoil (transportation, FDOT, environmental).

Executing Close-Out Procedures

Cleaning up the job site (disposal methods, heavy equipment, navigational aids, rigging) and performing final inspections (surveying, permitting specifications, contract management, close-out documentation).

How to Pass the FL Marine Specialty Exam

What You Need to Know

Passing score: 70%
Exam length: 80 questions
Time limit: 5 hours
Exam fee: $135 registration + $80 per portion

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

FL Marine Specialty Study Tips from Top Performers

1Build a content-to-book map: FBC Building for code, OSHA 1926 for safety (Subpart Y for diving, Subpart P for excavations), USACE coastal engineering manuals for shoreline and pile design, and the pile-driving and marine concrete references for installation.

2Practice tabbing by task (soil reports, pile capacities, sheet piling, hydrostatic pressure, tiebacks, dredge permits, ADA gangway slope) so you can find high-frequency lookups quickly under the 3 minutes 45 seconds per question average.

3Drill the calculations: concrete volume in cubic yards, pile count from spacing, hydrostatic pressure and resultant force, sheet pile penetration ratio, wale bending moment, deadman passive capacity, buoyancy volume, anchor cable tension, gangway slope, and pile factor of safety.

4Learn the environmental permitting flow end to end: USACE Section 10/404, FDEP Environmental Resource Permit, sovereign submerged lands authorization, and listed-species consultation, including turbidity barriers and BMPs.

5Use a two-pass strategy on test day: answer quick knowledge and easy lookup questions first, mark long calculations and uncertain code questions for review, and keep your reference setup identical to the one you trained with.

Frequently Asked Questions

Are these the real CILB exam questions?

No. These are independently written study questions built from the official CILB Marine Specialty content outline. They are an English-language MCQ study aid and do not reproduce CILB's item bank or substitute for the official open-book examination.

What is the format of the exam?

80 scored multiple-choice questions, 5 hours, open-book, computer-based at Pearson VUE centers, administered through Professional Testing, Inc. Passing score 70%.

Is the exam open-book?

Yes. Candidates may bring only the approved references listed on the DBPR Construction Examinations Reference Lists (effective January 1, 2026).

What experience is required?

Generally 4 years of trade experience including at least 1 year as a foreman, or a qualifying combination of education and experience; confirm with DBPR.

100+ Free FL Marine Specialty Practice Questions

Explore More Florida CILB Certified Contractor Examinations

Florida Certified Building Contractor Exam

Florida Certified Commercial Pool/Spa Contractor Exam

Florida Certified Garage Door Installation Specialty Contractor Exam

Florida Certified Gas Line Specialty Contractor Exam

Florida Certified Glass and Glazing Specialty Contractor Exam

Florida Certified Gypsum Drywall Specialty Contractor Exam