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100+ Free AL Gas Oil Projects Practice Questions

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2026 Statistics

Key Facts: AL Gas Oil Projects 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

$96

PSI Exam Fee

PSI AL GC Bulletin

Open book

Exam Format

PSI AL GC Bulletin

Alabama AL Gas Oil Projects trade exam via PSI: 50 questions, 70% pass, 2 hours, fee $96. Open-book specialty classification under the Alabama Licensing Board for General Contractors (bulletin 1/23/26).

Sample AL Gas Oil Projects Practice Questions

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

1Under OSHA 29 CFR 1926 Subpart P, when must a trench generally have a protective system such as sloping, shoring, or shielding?
A.When the trench is 4 ft or deeper in any soil
B.When the trench is 5 ft or deeper, unless entirely in stable rock
C.Only when the trench is 10 ft or deeper
D.Only when groundwater is present
Explanation: OSHA requires protective systems for excavations 5 ft or deeper unless the excavation is entirely in stable rock. Shallower excavations still need protection if a competent person finds a potential cave-in hazard. Gas and oil tank/piping work commonly exceeds this depth, so planning protective systems is a core excavation duty.
2In a trench excavation 4 ft or more deep, OSHA requires a safe means of egress so that workers need no more than what lateral travel distance to a ladder, stairway, or ramp?
A.10 ft
B.15 ft
C.25 ft
D.50 ft
Explanation: OSHA 1926.651 requires a stairway, ladder, ramp, or other safe means of egress in trenches 4 ft or deeper so that no employee must travel more than 25 ft laterally to exit. Spacing ladders incorrectly is a common excavation citation on tank and product-line jobs.
3OSHA requires excavated spoil and other materials to be kept at least how far from the edge of an excavation unless a retaining device is used?
A.1 ft
B.2 ft
C.4 ft
D.6 ft
Explanation: Spoil, equipment, and materials must be kept at least 2 ft from the excavation edge or retained so they cannot fall or roll into the hole. Placing spoil on the lip loads the trench wall and can cause collapse or bury workers.
4Who must perform daily inspections of excavations, adjacent areas, and protective systems before workers enter?
A.Any crew member with a hard hat
B.The equipment operator only
C.A competent person
D.Only a registered professional engineer
Explanation: OSHA assigns excavation inspections to a competent person—someone who can identify existing and predictable hazards and has authority to correct them. Inspections are required daily and after events that could increase hazards, such as rainstorms.
5For excavations 20 ft deep or greater, protective systems must generally be designed or approved by which party?
A.The site superintendent alone
B.A registered professional engineer
C.Any OSHA-authorized trainer
D.The tank manufacturer only
Explanation: At 20 ft and deeper, OSHA requires protective systems designed by a registered professional engineer or based on tabulated data prepared/approved by an RPE. Standard manufacturer data charts alone are not enough without that engineering basis.
6Before excavating for underground tanks or product lines in Alabama, what is the primary purpose of contacting Alabama 1 Call (811)?
A.To obtain a building permit from the local fire marshal
B.To request marking of underground utilities so they can be located and protected
C.To schedule the tank tightness test with ADEM
D.To register the contractor's PEI certification
Explanation: Alabama One Call / Dig Safely (AL Act 94-487) requires excavators to notify the one-call center so member utilities can mark buried facilities. Striking gas, electric, telecom, or product lines during tank excavations is a major safety and liability risk.
7According to common PEI RP100 practice for UST installations, the bottom of the excavation should typically be covered with bedding backfill to a depth of at least:
A.2 inches
B.6 inches only in all cases
C.1 foot (with 6 inches often allowed when a hold-down pad is used)
D.3 feet of crushed concrete
Explanation: PEI RP100-type practice calls for about 1 ft of suitable bedding under tanks. When a concrete hold-down pad is used, manufacturers commonly allow bedding to be reduced to about 6 in. Proper bedding supports the tank shell and prevents point loading.
8Why must the excavation for an underground storage tank be large enough to provide adequate clear space around the tank shell?
A.To allow free water to pond against the tank
B.To permit proper placement and compaction of approved backfill around the tank without voids
C.To eliminate the need for corrosion protection
D.To allow the tank to float into final position during filling
Explanation: Clear space around the tank is needed so approved backfill can be placed and compacted uniformly without bridging or voids. PEI practices commonly call for substantial clearance between tanks and excavation walls so the shell is fully supported.
9What is a primary reason to avoid using native clay clods, frozen soil, or large rocks as primary tank backfill around a UST?
A.They always improve cathodic protection current
B.They can create voids, point loads, and coating damage that stress the tank
C.They automatically satisfy PEI filter-fabric requirements
D.They eliminate the need for hold-down systems
Explanation: Approved pea gravel, crushed stone, or clean sand is used because unsuitable materials leave voids, concentrate loads, and can damage coatings or FRP shells. Poor backfill is a leading cause of tank deformation and premature failure.
10During UST excavation near an existing building foundation, what is a critical site-protection concern under NFPA 30 tank location principles?
A.The excavation must undermine foundations to create a vapor path
B.The excavation and tank location must not undermine or transfer foundation loads onto the tank
C.Tanks should always be placed under load-bearing footings for protection
D.Foundation walls may rest directly on the tank shell if coated
Explanation: NFPA 30 requires excavations and underground tanks to be located so existing foundations are not undermined and structural loads are not transmitted to the tank. Undermining can collapse structures and crush tanks.

About the AL Gas Oil Projects Exam

The Alabama Gas and Oil Projects 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 $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

50 scored questions

Time Limit

120 minutes

Passing Score

70%

Exam Fee

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

AL Gas Oil Projects Exam Content Outline

32%

Excavation

Excavation for tanks and lines

28%

Tank Installation and Testing

UST/AST installation and testing

16%

Safety and Fire Prevention

NFPA fire and safety

10%

Piping, Pumps, and Controls

Product piping and pumps

8%

Troubleshooting and Maintenance

System troubleshooting

6%

Leak Detection and Monitoring Systems

Leak detection systems

How to Pass the AL Gas Oil Projects Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 50 questions
  • Time limit: 120 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 Gas Oil Projects 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 Gas Oil Projects 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 Gas Oil Projects 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.