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100+ Free SC Concrete Paving Practice Questions

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2026 Statistics

Key Facts: SC Concrete Paving Exam

50 Q

Official Exam Questions

PSI SC Commercial Contractor CIB updated 5/15/2025

70%

Passing Score (35 of 50)

PSI SC Commercial Contractor CIB updated 5/15/2025

3 hours

Time Allowed

PSI SC Commercial Contractor CIB updated 5/15/2025

USD 60

PSI Exam Fee

PSI SC Commercial Contractor CIB updated 5/15/2025

Open Book

Book Policy

PSI SC Commercial Contractor CIB updated 5/15/2025

South Carolina Concrete Paving Contractor Examination is the official CLB/PSI open-book exam: 50 questions, 70% (35 of 50), 3 hours, USD 60 (bulletin updated 5/15/2025). Official delivery is English.

Sample SC Concrete Paving Practice Questions

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

1On a highway survey, what distance does one full station represent?
A.10 feet
B.50 feet
C.100 feet
D.1,000 feet
Explanation: U.S. highway stationing uses 100 feet as one station. Station 1+00 is 100 feet from the beginning of the alignment, and station 12+50 is 1,250 feet from the beginning. Concrete paving layout, quantity takeoff, and slope-stake work all start from that 100-foot station interval.
2A concrete paving run begins at Station 12+50 and ends at Station 18+25. What is the length of the run?
A.600 feet
B.575 feet
C.1,225 feet
D.1,825 feet
Explanation: Convert each station to feet from the beginning of the alignment: 18+25 = 1,825 ft and 12+50 = 1,250 ft. Subtract: 1,825 − 1,250 = 575 feet. Station arithmetic is the standard way to get paving length from plan stationing.
3A two-lane concrete street is 24 feet wide with a 2 percent crown falling both ways from centerline. How much lower is each gutter grade than the centerline grade?
A.0.12 foot (about 1.4 inches)
B.0.24 foot (about 2.9 inches)
C.0.48 foot (about 5.8 inches)
D.2.00 feet
Explanation: Each side of the crown is half the roadway width, or 12 feet. Elevation drop = width × slope = 12 ft × 0.02 = 0.24 ft, which is about 2.9 inches. That difference is what the string line, slipform sensors, or grade stakes must hold from centerline to gutter.
4Highway slope stakes are set so a 3:1 foreslope can be built from the hinge point. For a 6-foot cut measured vertically from the hinge, how far horizontally from the hinge should the catch point fall?
A.2 feet
B.6 feet
C.18 feet
D.36 feet
Explanation: A 3:1 slope means 3 feet horizontal for every 1 foot vertical. Horizontal distance = 3 × 6 ft = 18 feet. Slope-stake catch points are located from that ratio so grading equipment can cut or fill to the designed foreslope.
5When laying out a rectangular building pad, what is the most reliable field check that the corners are square?
A.Confirm that opposite sides have the same station number
B.Measure the two diagonals and confirm they are equal
C.Set all four corners at the same rod reading regardless of elevation
D.Offset each wall 2 feet from the property line
Explanation: A rectangle has equal diagonals. After the sides are measured, comparing the two diagonals is the fastest field check that corners are 90 degrees. A 3-4-5 triangle can also establish a right angle before the diagonals are used as the closing check.
6What is the primary purpose of batter boards on a building site?
A.To serve as the permanent foundation forms
B.To hold string lines that preserve building lines and elevations after corner hubs are excavated through
C.To replace the need for a level or total station
D.To mark underground utilities in APWA colors
Explanation: Batter boards are set outside the excavation so that string lines can be stretched to reconstruct wall lines, column lines, and a reference elevation after the original corner hubs are dug out. They are a temporary layout control, not structural formwork.
7A crew uses a 3-4-5 triangle to square a building corner. If the short legs are 30 feet and 40 feet, what must the diagonal measure if the corner is square?
A.45 feet
B.50 feet
C.70 feet
D.120 feet
Explanation: The 3-4-5 right triangle scales by 10 to 30-40-50. If the 30-foot and 40-foot sides meet at the corner, a square layout produces a 50-foot hypotenuse. A longer or shorter diagonal means the angle is not 90 degrees and the corner must be adjusted.
8A level has a height of instrument (HI) of 214.65 feet. A grade-stake rod reading of 6.40 feet is taken on a hub. If finish floor is 207.00 feet, what cut or fill is required at the hub?
A.Cut 1.25 feet
B.Fill 1.25 feet
C.Cut 7.65 feet
D.Fill 7.65 feet
Explanation: Hub elevation = HI − rod = 214.65 − 6.40 = 208.25 feet. Finish floor is 207.00 feet, so the hub is 1.25 feet high: cut 1.25 feet. Grade-stake math is HI minus foresight for existing elevation, then compare to the design elevation.
9Under the APWA uniform color code used for South Carolina 811 marks, what does yellow indicate?
A.Electric power lines, cables, or conduit
B.Gas, oil, steam, petroleum, or gaseous materials
C.Potable water
D.Proposed excavation
Explanation: APWA yellow marks gas, oil, steam, petroleum, and other gaseous materials. Concrete paving crews must recognize that color before cutting subgrade or sawing because striking a gas line is a life-safety event. Red is electric, blue is potable water, and white is proposed excavation.
10What color must an excavator use to pre-mark a proposed paving excavation when the work area cannot be clearly described by address alone?
A.Pink
B.Orange
C.White
D.Green
Explanation: South Carolina 811 and S.C. Code § 58-36-20 require proposed-excavation pre-marks in white paint, flags, or stakes. Other APWA colors are reserved for existing facilities. The locate notice must describe those white pre-marks so operators mark only the intended work area.

About the SC Concrete Paving Exam

The South Carolina Concrete Paving Contractor Examination is the official CLB classification examination administered by PSI. The official exam has 50 scored questions. Passing is 70% (35 of 50) in 3 hours. The examination is open book. PSI lists USD 60 (South Carolina Commercial Contractor Candidate Information Bulletin updated 5/15/2025). All commercial general and mechanical contractor candidates must pass the Business Management and Law for Commercial Contractor Examination in addition to this technical examination. LLR charges a separate USD 350 license application fee. This bank is an English-language MCQ study adaptation. It does not replace required trade experience, board approval, financial statements or bonds, or the official examination.

Assessment

Open-book computer-based multiple-choice. Allowed references are listed in the South Carolina Commercial Contractor Candidate Information Bulletin updated 5/15/2025.

Time Limit

3 hours

Passing Score

70% (35 of 50)

Exam Fee

USD 60 (PSI Services LLC (for the South Carolina Contractor's Licensing Board))

SC Concrete Paving Exam Content Outline

4%

Sitework - Surveying Streets and Highways

Sitework - Surveying Streets and Highways (2 items)

4%

Sitework - Surveying Buildings

Sitework - Surveying Buildings (2 items)

6%

Sitework - Measurements and Markings

Sitework - Measurements and Markings (3 items)

8%

Sitework - Excavating and Grading

Sitework - Excavating and Grading (4 items)

10%

Sitework - Subbases

Sitework - Subbases (5 items)

10%

Sitework - Compaction and Stabilization

Sitework - Compaction and Stabilization (5 items)

24%

Concrete

Concrete (12 items)

8%

Concrete - Formwork

Concrete - Formwork (4 items)

8%

Concrete - Reinforcement

Concrete - Reinforcement (4 items)

8%

Safety - Code of Federal Regulations

Safety - Code of Federal Regulations (4 items)

10%

Estimating - Plan Reading

Estimating - Plan Reading (5 items)

How to Pass the SC Concrete Paving Exam

What You Need to Know

  • Passing score: 70% (35 of 50)
  • Assessment: Open-book computer-based multiple-choice. Allowed references are listed in the South Carolina Commercial Contractor Candidate Information Bulletin updated 5/15/2025.
  • Time limit: 3 hours
  • Exam fee: USD 60

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

SC Concrete Paving Study Tips from Top Performers

1Distribute study time to the official PSI content outline (bulletin updated 5/15/2025)
2Use only the PSI-listed references for this classification
3Temporary tabs such as Post-it notes are prohibited in the PSI center
4This bank is an English-language MCQ study aid, not an official PSI form

Frequently Asked Questions

How many questions are on the South Carolina Concrete Paving Contractor Examination?

The official PSI examination has 50 scored questions. Passing is 70% (35 of 50) within 3 hours (South Carolina Commercial Contractor Candidate Information Bulletin updated 5/15/2025).

How much does the SC Concrete Paving exam cost?

PSI lists USD 60 for this examination. The South Carolina Contractor's Licensing Board charges a separate USD 350 license application fee.

Is the SC Concrete Paving exam open book?

Yes. PSI lists the commercial contractor examinations as open book. Candidates may bring the PSI-listed references for this classification. Temporary tabs such as Post-it notes are prohibited.

Do I also need the Business Management and Law examination?

Yes. All commercial general and mechanical contractor candidates must pass the Business Management and Law for Commercial Contractor Examination in addition to this technical examination. Burglar and fire alarm candidates take the Alarm Code of Laws Examination instead.