North Carolina Building Contractor License Practice Exam

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Which of the following indicates the standard weight range of concrete masonry units?

40 lbs - 50 lbs
30 lbs - 40 lbs
50 lbs - 60 lbs
35 lbs - 45 lbs

The correct answer is: 40 lbs - 50 lbs

The standard weight range of concrete masonry units (CMUs) is typically around 40 lbs to 50 lbs. This weight range is important for various reasons including structural integrity, ease of handling, and compliance with building codes. CMUs, commonly used in construction for walls and other structures, provide not only strength and durability but also thermal mass and fire resistance. Crafting the units within this standard weight ensures that they can be easily transported and installed while still providing the necessary properties to meet construction needs. This weight range facilitates consistency in manufacturing and ensures compatibility with standard masonry methods. Understanding the typical weight of CMUs helps contractors and builders properly plan for material costs, labor requirements, and project timelines.