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100+ Free AL Heavy Railroad Practice Questions

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2026 Statistics

Key Facts: AL Heavy Railroad Exam

70%

Passing Score

PSI AL GC Bulletin

50 Q

Official Exam Questions

PSI AL GC Bulletin

2 hours

Time Allowed

PSI AL GC Bulletin

$106

PSI Exam Fee

PSI AL GC Bulletin

Open book

Exam Format

PSI AL GC Bulletin

Alabama AL Heavy Railroad trade exam via PSI: 50 questions, 70% pass, 2 hours, fee $106. Open-book specialty classification under the Alabama Licensing Board for General Contractors (bulletin 1/23/26).

Sample AL Heavy Railroad Practice Questions

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

1What is the primary purpose of a silt fence on a railroad construction site?
A.To permanently retain stormwater on the right-of-way
B.To temporarily trap sediment and reduce off-site sediment discharge
C.To replace the need for permanent vegetation after final grade
D.To divert all channelized flow into underground drains
Explanation: A silt fence is a temporary sediment barrier that slows sheet flow and traps sediment so less soil leaves the disturbed area. It is not a permanent stormwater storage structure and does not replace final stabilization with vegetation or other permanent measures.
2When should temporary erosion and sediment controls be installed relative to land-disturbing activity on a railroad corridor?
A.Only after the first rainfall event after grading
B.Before or as soon as practicable after land disturbance begins, per the SWPPP and permit
C.Only after track ballast is placed
D.Only at final demobilization
Explanation: Best practice and typical NPDES/construction stormwater requirements call for BMPs to be in place before or concurrent with disturbance so sediment is controlled from the start. Waiting until rain falls or final demobilization leaves the site unprotected.
3A railroad embankment slope is eroding in concentrated rills after heavy rain. Which measure BEST addresses concentrated flow erosion?
A.Install only a single silt fence at the toe and take no other action
B.Intercept and convey concentrated flow with diversions, slope drains, or lined channels and stabilize the slope
C.Increase the silt-fence fabric mesh opening size
D.Remove all vegetation so runoff can sheet evenly
Explanation: Rill erosion indicates concentrated flow that silt fence alone may not control. Diversions, slope drains, check structures, or lined channels reduce velocity and energy, while slope stabilization limits further soil loss.
4Which practice is MOST appropriate for temporary stabilization of a large cleared railroad staging area that will remain idle for several weeks?
A.Leave the area bare and rely on adjacent silt fence only
B.Apply temporary seed, mulch, or other approved temporary cover to reduce erosion
C.Cover the entire area with plastic sheeting that is not anchored
D.Flood the area intentionally to settle dust
Explanation: When disturbed soil will sit idle, temporary seeding, mulching, or other cover reduces raindrop impact and runoff erosion. Perimeter controls alone do not protect large bare surfaces from sheet erosion.
5What is the primary function of ballast under railroad track?
A.To permanently glue the rails to the subgrade
B.To support and drain the track structure, distribute loads, and hold geometry
C.To eliminate the need for ties or sleepers
D.To provide the sole electrical insulation for signal systems
Explanation: Ballast supports ties and rails, distributes train loads into the subballast/subgrade, provides drainage, and resists lateral and longitudinal movement that would degrade track geometry.
6Standard track gauge on mainline North American railroads is approximately:
A.3 feet 6 inches
B.4 feet 8-1/2 inches
C.5 feet 6 inches
D.6 feet 0 inches
Explanation: Standard gauge used on most North American mainline track is 4 ft 8-1/2 in (1,435 mm). Maintaining correct gauge is critical for safe wheel-rail interaction.
7Why is clean, free-draining ballast preferred over dirty, fouled ballast?
A.Fouled ballast always provides higher lateral resistance
B.Clean ballast drains better and maintains support and geometry longer
C.Fouled ballast eliminates the need for tamping
D.Clean ballast is only required under road crossings
Explanation: Fines and mud in fouled ballast block drainage, soften the track bed under load, and accelerate geometry defects. Clean, angular ballast drains and interlocks to hold track position.
8During new track construction, what is the usual order of major track components from bottom to top?
A.Rail, ties, ballast, subgrade
B.Subgrade (prepared), subballast/ballast, ties, rail and fastenings
C.Ties, rail, ballast, subgrade
D.Ballast, rail, ties, subgrade
Explanation: The structural sequence starts with prepared subgrade, then subballast and ballast layers, then ties (sleepers), then rail and fastening systems. Load is transferred downward through that stack.
9What is the main purpose of a turnout (switch) in railroad track?
A.To measure train speed
B.To divert rolling stock from one track to another
C.To permanently close a grade crossing
D.To increase rail hardness only
Explanation: A turnout (switch and frog assembly) allows trains to move from one track onto another route. Correct installation and adjustment of points, stock rails, and frog geometry are essential for safe operation.
10Continuous welded rail (CWR) is installed under controlled temperature conditions primarily to:
A.Eliminate all need for rail anchors or fasteners
B.Manage thermal expansion and contraction and reduce buckling or pull-apart risk
C.Make the rail softer for easier cutting
D.Avoid any requirement for ballast
Explanation: CWR expands and contracts with temperature. Preferred rail laying temperature, destressing, and proper restraint help keep the neutral temperature in range so extreme heat or cold is less likely to cause track buckle or rail pull-apart.

About the AL Heavy Railroad Exam

The Alabama Heavy Railroad Construction Contractor Examination is a classification trade examination administered by PSI for the Alabama Licensing Board for General Contractors. The official open-book exam has 50 questions, a 70% (35 of 50 correct) passing standard, and 120 minutes allowed. PSI examination fee is $106 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

50 scored questions

Time Limit

120 minutes

Passing Score

70%

Exam Fee

$106 (PSI Services LLC (for Alabama Licensing Board for General Contractors))

AL Heavy Railroad Exam Content Outline

14%

Safety

Railroad workplace safety

14%

Concrete

Concrete for railway structures

10%

Track Construction

Track construction practices

10%

Sitework

Railroad sitework

10%

Piles

Piling for railway structures

8%

Pre-Cast and Pre-Stressed Concrete Erecting

Precast railway elements

6%

Tunneling

Related tunneling

6%

Concrete Railway Structures

Railway concrete structures

6%

Metals Including Concrete Reinforcement

Metals and rebar

4%

Erosion and Sedimentation Control

Erosion control

4%

One Call

Alabama 1Call

4%

Estimating

Estimating

4%

Welding

Field welding

How to Pass the AL Heavy Railroad Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 50 questions
  • Time limit: 120 minutes
  • Exam fee: $106

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 Heavy Railroad 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 Heavy Railroad exam?

The official PSI trade examination has 50 scored questions (plus possible experimental items). Passing is 70% (35 of 50 correct) within 120 minutes.

How much does the AL Heavy Railroad exam cost?

PSI lists $106 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.