INTERNATIONAL RESIDENTIAL CODE
EXAM QUESTIONS WITH COMPLETE
SOLUTIONS
Fences, sidewalks, and driveways - ANSWER-Which of the following do not need a
permit
180 days - ANSWER-How long do you have to pick up you r permit before it will be
considered abandoned?
Within 180 days - ANSWER-After receiving your permit, how soon must you start work?
After the building official inspects the building and finds no violation - ANSWER-When is
a certificate of occupancy issued?
A site plan - ANSWER-What must be submitted with the application for permit?
Span length/360 - ANSWER-What is allowable deflection for floors and plastered
ceilings.
Parapet Walls - ANSWER-A wall that extends beyond the finished roof deck is called a:
30" - ANSWER-A parapet wall must extend above the roof by a minimum of:
1 hour - ANSWER-Dwelling units in two-family dwellings shall have what fire resistance
rating?
1- 3/8 inches - ANSWER-The thickness if a door separating a garage from a residence
should be:
1/2 inch - ANSWER-A garage shall be separated from the residence and the attic by dry
wall of what minimum thickness?
75 flame spread an d 450 smoke-developed index - ANSWER-What is the maximum
flame-spread index and accompanying smoke-developed index for foam plastic
insulation?
Fire blocking - ANSWER-What must be provided to form an effective fire barrier
between stories and between a top story and the roof space?
10 feet - ANSWER-In wood frame construction, what is the maximum horzional interval
for fire blocking?
,2" - ANSWER-What is the minimum nominal size of fire blocking?
No less than 8% of the floor area of that room - ANSWER-What is the minimum glazing
area of habitable room?
A box or conduit body - ANSWER-What must be installed at each conductor splice
point, outlet, switch point, junction point and pull point?
Lock mechanism located on inside of gate / self-closing, self-locking gates opening
away from pool - ANSWER-Access gates for outside pools must be equipped with
what?
Be secured, locked, or removed - ANSWER-Where an above ground pool is used as a
barrier the ladder must be able to?
18 inches - ANSWER-Untreated floor joist can be no less than how many inches close
to exposed Earth?
12 inches - ANSWER-Untreated wood girders can be no less than how many inches
close to exposed Earth
8 Inches - ANSWER-All wood framing members that rest on concrete or masonry
exterior foundation walls shall be no less than how many inches from the exposed
ground?
1/2 inches - ANSWER-When an untreated wood girder is to be placed in masonry
pocket, what spacing is required on the top, sides and end of the girder from the
masonry?
6 inches - ANSWER-What is the minimum distance untreated wood siding, sheathing or
wall framing can be from the ground?
2 1/2: 12 - ANSWER-What is the minimum slope on which clay tile can be installed?
24" - ANSWER-What depth does a pool have to be in order for it to be classified
officially as a swimming pool?
An alarm which produces an audible warning when the door and/or it's screen are
opened - ANSWER-If a pool is directly accessible from the dwelling, what must be in
place?
The building wiring with battery back up - ANSWER-What should be used as the
primary power source for smoke detectors?
, The floor area must not exceed 120 sq. ft. - ANSWER-What size must a one-story
detached structure such as a shed or playhouse be,in order ti be exempt from needing
a permit?
4% of floor area - ANSWER-What is the minimum openable area to the outdoors for all
habitable rooms?
3 sq. ft. - ANSWER-What is the minimum size of a window for bathroom and toilet
areas?
6 - ANSWER-Lights in stairways must have a wall switch at each floor level where the
stairway has at least how many risers?
120 sq. ft. - ANSWER-Every dwelling must have at least 1 room with minimum square
footage of...?
70 sq feet - ANSWER-Habitable rooms shall have a floor area of not less than:
7 feet - ANSWER-Habitable rooms shall not be less than how many feet in any
horizontal dimension?
7 feet - ANSWER-Habitable rooms shall have a flat ceiling height of not less than
1 and 2 - ANSWER-What sanitation requirements are necessary for every dwelling?
Kitchen and kitchen sink - ANSWER-For proper sanitation, every dwelling shall have
which of the following?
That they have both hot and cold water - ANSWER-What type of surface is required for
all plumbing fixtures?
Nonabsorbent - ANSWER-What type of surface is required in bathtub and shower
areas?
A manufacturer's designation specifying who applied the designation, and designating
the type of glass and the standard with which it complies. - ANSWER-What must be
provided for glass in hazardous locations?
3/16 inch - ANSWER-What is the minimum thickness for glass in jalousies and louvered
windows?
48 inches - ANSWER-What is the maximum length for glass in jalousies and louvered
windows?
A protective bar should be installed on the accessible sides of the glazing 34-38 inches
above the floor. - ANSWER-When glazing windows in a hazardous area (for instance:
EXAM QUESTIONS WITH COMPLETE
SOLUTIONS
Fences, sidewalks, and driveways - ANSWER-Which of the following do not need a
permit
180 days - ANSWER-How long do you have to pick up you r permit before it will be
considered abandoned?
Within 180 days - ANSWER-After receiving your permit, how soon must you start work?
After the building official inspects the building and finds no violation - ANSWER-When is
a certificate of occupancy issued?
A site plan - ANSWER-What must be submitted with the application for permit?
Span length/360 - ANSWER-What is allowable deflection for floors and plastered
ceilings.
Parapet Walls - ANSWER-A wall that extends beyond the finished roof deck is called a:
30" - ANSWER-A parapet wall must extend above the roof by a minimum of:
1 hour - ANSWER-Dwelling units in two-family dwellings shall have what fire resistance
rating?
1- 3/8 inches - ANSWER-The thickness if a door separating a garage from a residence
should be:
1/2 inch - ANSWER-A garage shall be separated from the residence and the attic by dry
wall of what minimum thickness?
75 flame spread an d 450 smoke-developed index - ANSWER-What is the maximum
flame-spread index and accompanying smoke-developed index for foam plastic
insulation?
Fire blocking - ANSWER-What must be provided to form an effective fire barrier
between stories and between a top story and the roof space?
10 feet - ANSWER-In wood frame construction, what is the maximum horzional interval
for fire blocking?
,2" - ANSWER-What is the minimum nominal size of fire blocking?
No less than 8% of the floor area of that room - ANSWER-What is the minimum glazing
area of habitable room?
A box or conduit body - ANSWER-What must be installed at each conductor splice
point, outlet, switch point, junction point and pull point?
Lock mechanism located on inside of gate / self-closing, self-locking gates opening
away from pool - ANSWER-Access gates for outside pools must be equipped with
what?
Be secured, locked, or removed - ANSWER-Where an above ground pool is used as a
barrier the ladder must be able to?
18 inches - ANSWER-Untreated floor joist can be no less than how many inches close
to exposed Earth?
12 inches - ANSWER-Untreated wood girders can be no less than how many inches
close to exposed Earth
8 Inches - ANSWER-All wood framing members that rest on concrete or masonry
exterior foundation walls shall be no less than how many inches from the exposed
ground?
1/2 inches - ANSWER-When an untreated wood girder is to be placed in masonry
pocket, what spacing is required on the top, sides and end of the girder from the
masonry?
6 inches - ANSWER-What is the minimum distance untreated wood siding, sheathing or
wall framing can be from the ground?
2 1/2: 12 - ANSWER-What is the minimum slope on which clay tile can be installed?
24" - ANSWER-What depth does a pool have to be in order for it to be classified
officially as a swimming pool?
An alarm which produces an audible warning when the door and/or it's screen are
opened - ANSWER-If a pool is directly accessible from the dwelling, what must be in
place?
The building wiring with battery back up - ANSWER-What should be used as the
primary power source for smoke detectors?
, The floor area must not exceed 120 sq. ft. - ANSWER-What size must a one-story
detached structure such as a shed or playhouse be,in order ti be exempt from needing
a permit?
4% of floor area - ANSWER-What is the minimum openable area to the outdoors for all
habitable rooms?
3 sq. ft. - ANSWER-What is the minimum size of a window for bathroom and toilet
areas?
6 - ANSWER-Lights in stairways must have a wall switch at each floor level where the
stairway has at least how many risers?
120 sq. ft. - ANSWER-Every dwelling must have at least 1 room with minimum square
footage of...?
70 sq feet - ANSWER-Habitable rooms shall have a floor area of not less than:
7 feet - ANSWER-Habitable rooms shall not be less than how many feet in any
horizontal dimension?
7 feet - ANSWER-Habitable rooms shall have a flat ceiling height of not less than
1 and 2 - ANSWER-What sanitation requirements are necessary for every dwelling?
Kitchen and kitchen sink - ANSWER-For proper sanitation, every dwelling shall have
which of the following?
That they have both hot and cold water - ANSWER-What type of surface is required for
all plumbing fixtures?
Nonabsorbent - ANSWER-What type of surface is required in bathtub and shower
areas?
A manufacturer's designation specifying who applied the designation, and designating
the type of glass and the standard with which it complies. - ANSWER-What must be
provided for glass in hazardous locations?
3/16 inch - ANSWER-What is the minimum thickness for glass in jalousies and louvered
windows?
48 inches - ANSWER-What is the maximum length for glass in jalousies and louvered
windows?
A protective bar should be installed on the accessible sides of the glazing 34-38 inches
above the floor. - ANSWER-When glazing windows in a hazardous area (for instance:
