2015 IRC BUILDING CODES EXAM (2024 LATEST UPDATES ) COMPLETE ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+. What Is the minimum width and height of a egress door that buildings must have - ANSWER -32"x78" A floor landing should be placed on each side of an exterior door. What should the width of the landing - ANSWER -As wide as the door and 36" in the direction of travel Which rooms in a building are considered habitable? - ANSWER - Bedroom, living room, Dinning Room, Family Room What occupancy catagory regulates construction of family dwellings? - ANSWER -International Residential Building Code What is the minimum area that every habitable room is required to have in a building - ANSWER -70 square feet What is the minimum wall to wall distance in a habitable room and ceiling height? - ANSWER -7 feet What is the minimum glazed area for bringing light into a habitable room? - ANSWER -8% of the floor area of a roomWhat are bathrooms required to have in a residential building? - ANSWER -Toilet, sink, tub or shower What is the area of egress opening for openable door or windows? - ANSWER -5.7 square