According to Tennessee building codes, what is the minimum width required for emergency egress windows in bedrooms?
Correct Answer
A) 20 inches
Tennessee building codes require emergency egress windows in bedrooms to have a minimum width of 20 inches.
Why This Is the Correct Answer
Tennessee building codes (aligned with IRC standards) require emergency egress windows in bedrooms to have a minimum clear opening width of 20 inches.
Why the Other Options Are Wrong
Option B: 18 inches
18 inches is below the code minimum. An 18-inch opening would be too narrow for emergency egress and does not meet Tennessee's adopted building code requirements.
Option C: 24 inches
24 inches exceeds the minimum width requirement. While a wider window is always acceptable, the code minimum is 20 inches, not 24.
Option D: 22 inches
22 inches is between the correct answer and the wrong high answer. It is not the code-specified minimum — the exact figure is 20 inches.
Memory Technique
Remember the '20/24' rule: 20 inches wide, 24 inches tall for egress windows. Width = 20 = 'two zero' fingers on two hands — that's the minimum to squeeze through.
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