Apprenticeship Exam Apprenticeship Math and Measurements 2

Question 1

A rectangular duct measures 18 inches by 24 inches. What is the perimeter?

Accepted Answer

84 inches

Answer

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?

Accepted Answer

24 cu ft

Answer

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?

Accepted Answer

$740.00

Answer

$18.50 × 40 = $740.00 gross pay.

Question 4

A circular pipe has a diameter of 6 inches. What is its radius?

Accepted Answer

3 inches

Answer

Radius equals diameter divided by 2, so 6 ÷ 2 = 3 inches.

Question 5

What is 1/3 expressed as a decimal?

Accepted Answer

0.333

Answer

1 divided by 3 = 0.333 (repeating).

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