Texas Commission on Environmental Quality (TCEQ). Class C Water License Exam

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Prepare for the Texas Commission on Environmental Quality (TCEQ) Class C Water License Exam. Utilize flashcards, multiple choice questions, and in-depth explanations. Equip yourself with the skills to succeed!

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What is the weight of one gallon of water?

6.34 lbs.
8.34 lbs.
10.34 lbs.
12.34 lbs.

The correct answer is: 8.34 lbs.

One gallon of water weighs approximately 8.34 pounds at standard temperature and pressure. This value is derived from the density of water, which is about 62.4 pounds per cubic foot, and can be converted to gallons, knowing that one gallon equals 0.133681 cubic feet. This makes the weight of one gallon of water consistent and reliable for various calculations in environmental science and engineering. The other options represent incorrect weights for one gallon of water due to miscalculations or misunderstandings of water density. Recognizing the standard weight of one gallon of water is crucial for various practical applications, such as water treatment calculations, chemical dosages, and ensuring compliance with regulatory standards. Understanding this foundational fact is essential for professionals working in water quality management and related fields.