Alabama Contractors License Practice Exam

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Study for the Alabama Contractors License Test. Prepare with quizzes featuring flashcards and multiple-choice questions, each supported by hints and explanations. Equip yourself for exam success!

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Hot weather construction provisions for masonry should be applied when the temperature exceeds ____ degrees Fahrenheit.

The correct answer is: 90

In the context of masonry construction, hot weather provisions are critical to ensure the integrity and quality of the materials used. When temperatures exceed 90 degrees Fahrenheit, the rate of evaporation increases significantly, which can adversely affect the curing process of cement and mortar. This rapid evaporation can lead to issues such as shrinkage cracking, reduced bond strength, and compromised durability of the masonry. Applying these hot weather provisions involves techniques such as wetting the masonry materials before use, using cool water for mixing, and protecting the work from direct sunlight. By adhering to these guidelines once the temperature threshold of 90 degrees is exceeded, contractors can better manage the effects of heat on their projects and maintain the desired performance characteristics of the masonry.