Exam 2026 | 150 Questions & Answers with
Rationales | Study Guide
,Construction Mathematics & Measurements
1. A highway project requires 240 cubic yards of aggregate. If one truck
carries 12 cubic yards, how many full truckloads are required?
A. 15
B. 18
C. 20
D. 24
Answer: _C. 20_
Rationale: 240 ÷ 12 = 20 truckloads.
2. One foot contains how many inches?
A. 10
B. 12
C. 14
D. 16
Answer: _B. 12_
Rationale: The standard conversion is 1 foot = 12 inches.
3. A roadway is 30 ft wide and 500 ft long. What is its area in square
feet?
A. 1,500
B. 10,000
C. 15,000
D. 30,000
Answer: _C. 15,000_
Rationale: Area = length × width = 500 × 30 = 15,000 sq ft.
4. How many square feet are in one square yard?
A. 3
,B. 6
C. 9
D. 12
Answer: _C. 9_
Rationale: One yard equals 3 feet, so 1 square yard = 3 × 3 = 9 square
feet.
5. A grade rises 4 ft over a horizontal distance of 200 ft. What is the
approximate grade?
A. 1%
B. 2%
C. 4%
D. 8%
Answer: _B. 2%_
Rationale: Grade percentage = rise ÷ run × 100 = 4 ÷ 200 × 100 = 2%.
6. A 10-ft-wide shoulder is constructed for 1,000 linear feet. What is the
surface area?
A. 1,000 sq ft
B. 5,000 sq ft
C. 10,000 sq ft
D. 100,000 sq ft
Answer: _C. 10,000 sq ft_
Rationale: 10 × 1,000 = 10,000 square feet.
7. A cubic yard contains how many cubic feet?
A. 9
B. 18
, C. 27
D. 36
Answer: _C. 27_
Rationale: A cubic yard is 3 ft × 3 ft × 3 ft = 27 cubic feet.
8. If a material weighs 120 lb per cubic foot, approximately how much
does 1 cubic yard weigh?
A. 1,440 lb
B. 2,400 lb
C. 3,240 lb
D. 4,800 lb
Answer: _C. 3,240 lb_
Rationale: 120 × 27 = 3,240 lb per cubic yard.
9. A 6-inch pavement layer is equivalent to:
A. 0.25 ft
B. 0.50 ft
C. 0.75 ft
D. 1.00 ft
Answer: _B. 0.50 ft_
Rationale: 6 ÷ 12 = 0.5 ft.
10. A project has 2,000 ft of roadway. If stationing is measured every
100 ft, how many 100-ft intervals are present?
A. 10
B. 15
C. 20
D. 25