Can anyone explain what/where/how to find the answer?
NCARB 3.1 Multiple Choice, #17 ( see attachment for complete question)
What would be the minimum required width of a bypassing sliding
glass door, 6'8" high [2 030 mm] located at Y on plan B, if required
ventilation is 5 percent of floor area, and living room/dining area is
313 sq. ft. [29 m2]?
ANSWER: 5 FT.