Florida Building Code Practice Exam

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Study for the Florida Building Code Exam with multiple choice questions and detailed explanations. Get fully prepared with our comprehensive practice exam to enhance your knowledge.

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What is the maximum span for a 2x10, #1 Grade Southern Pine floor joist with a dead load of 10 psf?

17'-9"
18'-1"
19'-10"
20'-3"

The correct answer is: 19'-10"

The maximum span for a 2x10, #1 Grade Southern Pine floor joist with a dead load of 10 psf is determined based on load-carrying capacities governed by the Florida Building Code, which considers factors like the species of lumber, grade, and expected load. For a #1 Grade Southern Pine 2x10 floor joist, with a specified dead load of 10 psf, the allowable span calculations indicate that the maximum distance it can effectively and safely span without excessive deflection or failure is indeed up to approximately 19'-10". This span allows for the necessary structural integrity while accommodating typical loads encountered in residential construction. The other options reflect distances beyond what is considered safe for this scenario; spans longer than 19'-10" could compromise the structural performance of the joist, leading to concerns regarding safety and compliance with building standards.