Massachusetts Unrestricted Construction Supervisor License Practice Test

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Prepare for the Massachusetts Unrestricted Construction Supervisor License Test. Study with flashcards and multiple-choice questions, each accompanied by hints and explanations. Ace your exam with confidence!

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What is the minimum rise allowed for a residential stairway, according to code?

4 inches
6 inches
7 inches
8 inches

The correct answer is: 7 inches

The minimum rise allowed for a residential stairway, as specified by building codes, is set to promote safety and accessibility. A rise of 7 inches is considered optimal because it strikes a balance between being manageable for users while ensuring structural integrity. When rises are too low, they may lead to a stair that feels steeper and can cause trip hazards if not designed correctly. Conversely, rises that exceed 7 inches can be difficult for some individuals, particularly those with mobility issues, making the stairs less accessible and potentially increasing the risk of falls. In most code specifications, including those applicable in Massachusetts, the 7-inch rise guideline helps ensure that stairs are comfortable to navigate. In residential settings, this standard is part of a broader set of guidelines that also dictates the depth of treads and overall stair width, all with the intent of creating safe and functional living environments.