General Contractor Practice Exam

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Prepare for the General Contractor Exam with our comprehensive quiz featuring multiple-choice questions, flashcards, and detailed explanations. Gain insights into construction management, safety regulations, and building codes to confidently tackle your exam!

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How much does a gallon of water weigh?

  1. 6.5 lb

  2. 7.5 lb

  3. 8.33 lb

  4. 9 lb

The correct answer is: 8.33 lb

A gallon of water weighs approximately 8.33 pounds. This weight is based on the standard measurement of water at its maximum density, which occurs at about 39.2°F (4°C). This value is commonly used in various applications, including construction and engineering, where understanding the weight of liquid materials is essential for planning and safety. For example, when calculating loads for structures or pipes, knowing the correct weight of water per gallon is crucial to ensure stability and integrity. The weights of water in the other options do not correctly reflect the widely accepted standard for the weight of a gallon of water at its optimal condition. While water can vary slightly in weight with changes in temperature or purity, 8.33 pounds is the standard metric used in most contexts.

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