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100+ Free AL Concrete Pavement Practice Questions

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2026 Statistics

Key Facts: AL Concrete Pavement Exam

70%

Passing Score

PSI AL GC Bulletin

100 Q

Official Exam Questions

PSI AL GC Bulletin

4 hours

Time Allowed

PSI AL GC Bulletin

$96

PSI Exam Fee

PSI AL GC Bulletin

Open book

Exam Format

PSI AL GC Bulletin

Alabama AL Concrete Pavement trade exam via PSI: 100 questions, 70% pass, 4 hours, fee $96. Open-book specialty classification under the Alabama Licensing Board for General Contractors (bulletin 1/23/26).

Sample AL Concrete Pavement Practice Questions

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

1When installing gravity sanitary sewer pipe, what is the primary purpose of maintaining a constant, designed slope between manholes?
A.To maximize pipe wall thickness
B.To ensure self-cleansing velocity and proper drainage flow
C.To reduce the need for bedding material
D.To allow the pipe to float in saturated soils
Explanation: Gravity sewers rely on continuous downhill grade so wastewater moves by gravity at a self-cleansing velocity that limits solids deposition. Flat or reverse grades cause ponding, odor, and blockage; over-steep grades can scour joints. Slope is set by design and verified with grade stakes, laser, or string line during laying.
2For flexible PVC water main, which bedding practice best protects the pipe and maintains long-term ovality control?
A.Lay the pipe directly on undisturbed rock ledge with no cushion
B.Provide uniform, compacted granular bedding and haunching to the springline
C.Backfill only over the crown and leave the invert unsupported
D.Use large cobbles under the invert for drainage
Explanation: Flexible pipe depends on soil-pipe interaction. Uniform granular bedding and thorough haunching to the springline support the invert and lower quadrants so the pipe does not ovalize under earth and traffic loads. Rock points, voids under the invert, or large cobbles create point loads and deflection.
3What is the standard function of a water main thrust block at a bend or tee?
A.To reduce pipe wall thickness requirements
B.To transfer unbalanced hydrostatic thrust into undisturbed soil
C.To serve as a permanent shutoff valve
D.To replace restrained joints on all pipelines
Explanation: At fittings, internal pressure creates unbalanced forces that try to separate joints. Concrete thrust blocks (or mechanical restraint systems) transfer that thrust into competent bearing soil so joints stay sealed. Size and placement depend on pressure, fitting type, and soil bearing capacity.
4Before a newly installed potable water main is placed in service, which sequence is typically required?
A.Pressure test only; flush once and open to customers
B.Flush, pressure (hydrostatic) test, disinfect, and obtain satisfactory bacteriological results
C.Disinfect first, then pressure test with untreated trench water
D.Visual inspection only if the pipe is NSF-listed
Explanation: Potable mains must prove structural integrity and sanitary condition. Common practice follows AWWA-type procedures: flush to remove debris, hydrostatically pressure-test, disinfect (often chlorination), flush residual, and clear bacteriological samples before connection to the system.
5What is the purpose of a manhole invert channel in a sanitary sewer system?
A.To store grit until vacuum trucks arrive
B.To guide flow smoothly through the manhole and reduce turbulence and solids deposition
C.To provide a dry work platform above the flow line
D.To replace the need for upstream cleanouts
Explanation: A properly formed invert channel (often half-pipe or U-shaped) maintains velocity through the structure, reduces turbulence, and limits debris settling. Bench shelves allow worker footing while keeping wastewater in the channel.
6When crossing under an existing concrete pavement with a new water service, which method most reduces risk of undermining the slab?
A.Open-cut a full-width trench through the pavement without shoring
B.Bore or jack the service in a casing with controlled grade, then restore pavement only where required
C.Flood the trench to float the pipe under the slab
D.Remove every other pavement panel regardless of alignment
Explanation: Trenchless installation (bore/jack or directional drill with proper casing when required) limits pavement demolition and protects subgrade support. Open-cutting full width removes support and creates a large patch; uncontrolled methods risk settlement and reflective cracking.
7What is the main reason sewer pipe joints must be properly lubricated and fully home during assembly of gasketed push-on joints?
A.To increase the pipe’s pressure rating above design
B.To seat the gasket and create a soil- and water-tight seal without rolling or pinching the gasket
C.To eliminate the need for bedding
D.To allow the line to be laid on reverse grade
Explanation: Manufacturer-approved lubricant and complete insertion seat the elastomeric gasket so it seals against infiltration and exfiltration. Dry assembly, dirt on the gasket, or incomplete insertion can roll the gasket and create leaks.
8For trench excavation deeper than 5 feet in Type C soil with no sloping or benching, what OSHA-required protection is generally needed for workers in the trench?
A.None if the trench is less than 100 feet long
B.A protective system such as shoring, shielding (trench box), or other engineered protection
C.Only a hard hat and safety glasses
D.A single wooden plank across the trench top
Explanation: OSHA 29 CFR 1926 Subpart P requires a protective system in excavations 5 feet or deeper unless the excavation is made entirely in stable rock. Type C soil is the least stable common classification; sloping to the Type C angle or using shields/shoring is mandatory for worker entry.
9Why is select granular backfill often required in the pipe zone under future concrete pavement?
A.To chemically bond the pipe to the pavement slab
B.To provide uniform support, drainage, and controlled compaction that limits differential settlement under the slab
C.To eliminate the need for base course under the pavement
D.To increase the pipe’s internal diameter
Explanation: The pipe zone backfill controls long-term support. Poorly compacted native clay or organic soils settle under traffic and create pavement dips and cracks over the trench. Specified granular material, placed and compacted in lifts, reduces settlement risk under rigid pavement.
10What is the primary purpose of a sewer force main air release valve at high points?
A.To add chlorine to the wastewater
B.To release trapped air that can restrict flow and cause surges
C.To convert the force main to gravity flow
D.To measure pipe ovality
Explanation: Air accumulates at high points of pressurized force mains. Air release/vacuum valves vent that air so the full cross-section carries liquid, improving capacity and reducing pressure surges and water-hammer effects.

About the AL Concrete Pavement Exam

The Alabama Concrete Pavement Contractor Examination is a classification trade examination administered by PSI for the Alabama Licensing Board for General Contractors. The official open-book exam has 100 questions, a 70% (70 of 100 correct) passing standard, and 240 minutes allowed. PSI examination fee is $96 per attempt (bulletin updated 1/23/26). This English-language MCQ bank is a study aid for the trade knowledge on the official content outline; it is not an official PSI form, does not replace the required Business & Law exam for primes, and is not a substitute for board-approved experience or the official open-book examination.

Questions

100 scored questions

Time Limit

240 minutes

Passing Score

70%

Exam Fee

$96 (PSI Services LLC (for Alabama Licensing Board for General Contractors))

AL Concrete Pavement Exam Content Outline

16%

Water and Sewer

Utility water and sewer work

8%

Gas

Gas utility construction

12%

Paving

Concrete paving methods

12%

Excavation, Compaction, and Grading

Earthwork for pavement

7%

Safety

Jobsite safety

12%

Steel

Steel related to pavement projects

4%

Piles

Piling for pavement structures

17%

Concrete

Concrete materials and placement

3%

Traffic Control

Work-zone traffic control

6%

Welding

Field welding practices

3%

Alabama One Call

AL 1Call / dig safety

How to Pass the AL Concrete Pavement Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 100 questions
  • Time limit: 240 minutes
  • Exam fee: $96

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

AL Concrete Pavement Study Tips from Top Performers

1Study only the approved references listed for your classification in the current PSI Alabama General Contractors bulletin
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
4Work quantity takeoff and plan-reading problems under timed conditions
5Confirm Board eligibility and classification scope on genconbd.alabama.gov before scheduling with PSI

Frequently Asked Questions

How many questions are on the AL Concrete Pavement exam?

The official PSI trade examination has 100 scored questions (plus possible experimental items). Passing is 70% (70 of 100 correct) within 240 minutes.

How much does the AL Concrete Pavement exam cost?

PSI lists $96 per examination registration for this Alabama general contractor classification exam (Candidate Information Bulletin updated 1/23/26). License application fees to the Board are separate.

Is the Alabama specialty contractor exam open book?

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

Do I still need the Business and Law exam?

Prime contractor applicants must also pass the Alabama Business & Law examination (50 questions, 70%, 120 minutes). Reciprocity may waive a trade exam in some cases but does not waive Business & Law.