Water Damage Restoration Technician (WRT) Certification Practice Test

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How many gallons of water are in a basement measuring 30' × 25' with a water depth of 6' 9"?

27,000 Gallons
37,867.5 Gallons
50,000 Gallons
45,000 Gallons

The correct answer is: 37,867.5 Gallons

To determine the volume of water in the basement, you first need to calculate its cubic footage. The formula to find the volume of a rectangular prism (which a basement is) is length × width × height. In this case, the measurements given are: - Length: 30 feet - Width: 25 feet - Height: Depth of water: 6 feet 9 inches First, convert the depth from feet and inches to feet only. Since there are 12 inches in a foot, 9 inches is equal to 0.75 feet. Therefore, 6 feet 9 inches converts to: 6 + 0.75 = 6.75 feet. Now, plug the values into the formula: Volume = 30 feet × 25 feet × 6.75 feet. Calculating this gives: Volume = 30 × 25 = 750 square feet. Then, multiply the area by the height: 750 square feet × 6.75 feet = 5062.5 cubic feet. Next, to convert cubic feet to gallons, use the conversion factor that 1 cubic foot is approximately 7.48 gallons: 5062.5 cubic feet × 7.48 gallons/cubic