F12 National Standard Building Contractor Exam Quiz

When casting concrete against and permanently exposed to earth, what is the minimum required concrete cover for the reinforcing steel?

Every issued permit shall become invalid if the work authorized by the permit is suspended or abandoned for a period of how many days after the work is commenced?

What is the minimum required depth of a footing beneath the undisturbed ground surface (excluding frost protection requirements)?

Under the IBC, special inspections are MANDATORY for which of the following activities?

Glazing in an individual fixed or operable panel adjacent to a door where the nearest exposed edge of the glazing is within ________ inches of either vertical edge of the door in a closed position shall be considered a hazardous location (requiring safety glazing).

Thermal and acoustical insulation, other than foam plastic, is permitted to be installed in buildings of Type I or II construction, provided the insulation has a maximum flame spread index of ________ .

In general, the aggregate area of a mezzanine shall not exceed what percentage of the floor area of the room in which it is located?

In an unsprinklered Group B (Business) occupancy, what is the maximum allowable length for a dead-end corridor?

Class A interior wall and ceiling finishes must have a flame spread index of:

Habitable rooms, hallways, corridors, bathrooms, and laundry rooms in a residential dwelling must have a minimum ceiling height of:

Residential foundation sill plates must be anchored to the foundation wall with 1/2-inch minimum diameter anchor bolts. The maximum allowable spacing between these bolts is:

Asphalt shingles shall only be used on residential roof slopes of ________ or greater.

Enclosed under-floor spaces (crawl spaces) for a dwelling must be ventilated to prevent moisture buildup. The minimum net area of ventilation openings must be not less than 1 square foot for each ________ of under-floor space area.

Where an attached garage is separated from the residence, the separation wall on the garage side must be protected with a minimum of:

To ensure occupants of a residential dwelling can easily escape during a fire, the maximum sill height of an emergency egress window above the finished floor is:

When a guard is required on a residential balcony, the minimum required height of the guard is:

For a standard residential stairway, what is the maximum allowable riser height and minimum allowable tread depth?

Guards (guardrails) are required on dwelling porches, balconies, or raised floor surfaces that are located more than ________ above the floor or grade below.

Every dwelling unit must have at least one habitable room with a minimum floor area of not less than:

Dwellings with combustible ceiling or roof construction must have an attic access opening if the attic area exceeds 30 square feet and has a vertical height of 30 inches or more. The rough-framed access opening must be a minimum of: