General Contractor Practice Exam

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What is the minimum bearing requirement for a lintel over the ends of each jamb?

4 inches
6 inches
3 inches
5 inches

The correct answer is: 4 inches

The minimum bearing requirement for a lintel over the ends of each jamb is established to ensure structural integrity and safety in construction. A bearing length of 4 inches is commonly required because it provides adequate support for the weight and load that the lintel carries, including any loads from above it, such as walls or roof structures. This measurement helps to distribute the load effectively along the length of the lintel while also preventing potential failure caused by inadequate support. Such specifications are often referenced in building codes and construction practices. Understanding this minimum requirement is crucial for ensuring that structural components are able to withstand forces they may encounter during their service life.