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 room
,What 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 feet
What is the minimum width and height for egress window
openings? -
ANSWER -20"x24"
What is the minimum net clear opening for a window well and
minimum horizontal dimensions? - ANSWER -9 square feet and 3
feet
What is the minimum hallway width? - ANSWER -3 feet
What is the minimum tread depth and maximum riser height of a set
of stairs? - ANSWER -10" and 7 3/4"
What is the minimum stairwell width? - ANSWER -36"
How many inches should the top of the handrail be above the nose
of the tread? - ANSWER -Between 34" and 38"
What is the minimum headroom of a case of spiral stairs? -
ANSWER 6'-6"
, Guards(railings) on exterior decks must be constructed so that a
____ inch diameter sphere cannot pass through opening of rail -
ANSWER 4"
Guards rails must be provided at any change in floor elevation the
exceeds ____ inch - ANSWER -30"
How many risers or more is required to have at least one smooth
hand rail that extends the entire length of stairs? - ANSWER -4 or
more
If there is any variation of riser height and trend run on flight of
stairs.
The difference between largest and smallest can't exceed ___ inch -
ANSWER -3/8"
True/false carpenters are expected to somewhat be knowledgeable
of contents of codes and how they affect construction of structure -
ANSWER -True
True/false building codes are designed to protect consumers by
providing minimum guidelines for construction and inspection of
structure - ANSWER -True
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