2021 ICC B1 Residential Building Inspector Exam Quiz

A combustion air passageway having a minimum size of _______________ square inches and a maximum size of _______________ square inches shall be provided as an exterior air supply for a factory-built or masonry fireplace, unless the room is mechanically ventilated and controlled so that the indoor pressure is neutral or positive.

The building official has the authority to _______________ the provisions of the code.

When located in the end of a solid lumber ceiling joist a notch shall have a maximum depth of _______________.

For an asphalt shingle application where the roof has a slope of up to ______________, double underlayment is required.

Eave overhangs shall not exceed _______________ in horizontal projection in a cold-formed steel-framed roof system.

Plate washers used in the connection of braced wall line sills to a concrete foundation shall be a minimum of _______________ in size for a building in Seismic Design Category D0.

The continuous vapor barrier required in an under floor and unvented crawl space, shall extend a minimum of _______________ inches up the stem wall.

A maximum stone size of _______________ inch gravel used as a footing material for a wood foundation, must be washed, and well graded.

What are the minimum and maximum required footing projections for a concrete footing having a thickness of 8 inches?

When there is no geotechnical evaluation to determine soil characteristics, clayey silt material will be concluded to have a presumptive load-bearing value of _______________.

The landing at the exterior of required egress doors shall be located a maximum of _______________ inches below the top of the threshold, where the door does not swing over the landing.

At all points above the allowed handrail height, and below the required headroom height, stairways shall be a minimum _______________ wide.

What is the minimum permitted horizontal dimension of any habitable room?

The aggregate glazing area should be a minimum of _______________ of the floor area, when natural light is used to fulfil the minimum light requirements for habitable rooms.

The provisions of the International Residential Code are applicable to one- and two-family dwellings and townhouses a max. of ________ above grade plane.

The thickness of blown-in or sprayed roof/ceiling insulation must be written in inches on a marker installed every ________ throughout the attic space.

Photovoltaic shingles can only be used on roof slopes that are ________ or greater.

What is the maximum allowable span for masonry veneer openings?

What is the maximum allowable span of a hem-fir header for exterior bearing walls supporting a roof and a ceiling consisting of two 2 x 8s in a building having a width of 36 feet with a ground snow load of 50 psf?

In floors, exterior deck ends of beams must have not less than ________ of bearing on concrete or masonry for the entire width of the beam.