Apprenticeship Exam Apprenticeship Math and Measurements 2 — Questions and Answers
Question 1: A rectangular duct measures 18 inches by 24 inches. What is the perimeter?
- 84 inches (Correct answer)
- 96 inches
- 72 inches
- 108 inches
Correct answer: 84 inches
Perimeter = 2 × (18 + 24) = 2 × 42 = 84 inches.
Question 2: What is the volume of a rectangular box that is 3 ft × 2 ft × 4 ft?
- 24 cu ft (Correct answer)
- 18 cu ft
- 26 cu ft
- 20 cu ft
Correct answer: 24 cu ft
Volume = length × width × height = 3 × 2 × 4 = 24 cubic feet.
Question 3: If a worker earns $18.50 per hour and works 40 hours, what is gross pay?
- $740.00 (Correct answer)
- $720.00
- $760.00
- $680.00
Correct answer: $740.00
$18.50 × 40 = $740.00 gross pay.
Question 4: A circular pipe has a diameter of 6 inches. What is its radius?
- 3 inches (Correct answer)
- 6 inches
- 12 inches
- 9 inches
Correct answer: 3 inches
Radius equals diameter divided by 2, so 6 ÷ 2 = 3 inches.
Question 5: What is 1/3 expressed as a decimal?
- 0.333 (Correct answer)
- 0.25
- 0.5
- 0.167
Correct answer: 0.333
1 divided by 3 = 0.333 (repeating).
Question 6: How many 1.5-inch pieces can be cut from a 12-inch board (ignoring kerf)?
- 8 pieces (Correct answer)
- 9 pieces
- 6 pieces
- 10 pieces
Correct answer: 8 pieces
12 ÷ 1.5 = 8 pieces can be cut from the board.
Apprenticeship Exam Apprenticeship Math and Measurements 2
A rectangular duct measures 18 inches by 24 inches.
What is the perimeter?