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IRC TEST NEWEST 2026/2027 ACTUAL EXAM COMPLETE 200
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||JUST OUT!!!
The maximum variation between the greatest riser height and
the smallest riser height within any flight of stairs shall be
_______________ .
a. 1 /4 inch
b. 3 /8 inch
c. 1 /2 inch
d. 5 /8 inch - ANSWER-B
Unless a minimum tread depth of _______________ is
provided, a minimum 3 /4-inch nosing is required at the leading
edge of all treads.
a. 9 1 /2 inches
b. 10 inches
c. 11 inches
d. 12 inches - ANSWER-C
Unless the stair has a total rise of no more than 30 inches, the
opening between treads at open risers shall be such that a
minimum _______________ sphere shall not pass through.
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a. 3-inch
b. 4-inch
c. 6-inch
d. no limitation is mandated - ANSWER-B
In the identification of flood hazard areas, areas that have been
determined to be subject to maximum wave heights of
_______________ are not required to be designated coastal
high-hazard areas feet unless subject to high-velocity wave
action or wave-induced erosion.
a. 3
b. 4
c. 5
d. 6 - ANSWER-A
What is the maximum riser height permitted for spiral
stairways?
a. 7 3 /4 inches
b. 8 inches
c. 8 1 /4 inches
d. 9 1 /2 inches - ANSWER-D
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Stairway handrail height shall be, measured vertically from the
nosing of the treads, a minimum of _______________ and a
maximum of _______________. a. 30 inches, 34 inches
b. 30 inches, 38 inches
c. 34 inches, 38 inches
d. 34 inches, 42 inches - ANSWER-C
Where a stairway handrail is located adjacent to a wall, a
minimum clearance of _______________ shall be provided
between the wall and the handrail.
a. 1 1/4 inches
b. 1 1 /2 inches
c. 2 inches
d. 3 1 /2 inches - ANSWER-B
A Type I handrail having a circular cross section shall have a
minimum outside diameter of _______________ and a
maximum outside diameter of ______________.
a. 1 1/4 , 2 inches
b. 1 1 /4 , 2 5 /8 inches
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c. 1 1 /2 , 2 inches
d. 1 1 /2 , 2 5 /8 inches - ANSWER-A
A porch, balcony or similar raised floor surface more than 30
inches above the floor or grade below shall be provided with a
guard having a minimum height of _______________.
a. 32 inches
b. 34 inches
c. 36 inches
d. 42 inches - ANSWER-C
Required guards on open sides of raised floor areas shall be
provided with intermediate rails or ornamental closures such
that a minimum _______________ sphere cannot pass
through.
a. 3-inch
b. 4-inch
c. 6-inch
d. 9-inch - ANSWER-B
IRC TEST NEWEST 2026/2027 ACTUAL EXAM COMPLETE 200
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||JUST OUT!!!
The maximum variation between the greatest riser height and
the smallest riser height within any flight of stairs shall be
_______________ .
a. 1 /4 inch
b. 3 /8 inch
c. 1 /2 inch
d. 5 /8 inch - ANSWER-B
Unless a minimum tread depth of _______________ is
provided, a minimum 3 /4-inch nosing is required at the leading
edge of all treads.
a. 9 1 /2 inches
b. 10 inches
c. 11 inches
d. 12 inches - ANSWER-C
Unless the stair has a total rise of no more than 30 inches, the
opening between treads at open risers shall be such that a
minimum _______________ sphere shall not pass through.
,2|Page
a. 3-inch
b. 4-inch
c. 6-inch
d. no limitation is mandated - ANSWER-B
In the identification of flood hazard areas, areas that have been
determined to be subject to maximum wave heights of
_______________ are not required to be designated coastal
high-hazard areas feet unless subject to high-velocity wave
action or wave-induced erosion.
a. 3
b. 4
c. 5
d. 6 - ANSWER-A
What is the maximum riser height permitted for spiral
stairways?
a. 7 3 /4 inches
b. 8 inches
c. 8 1 /4 inches
d. 9 1 /2 inches - ANSWER-D
,3|Page
Stairway handrail height shall be, measured vertically from the
nosing of the treads, a minimum of _______________ and a
maximum of _______________. a. 30 inches, 34 inches
b. 30 inches, 38 inches
c. 34 inches, 38 inches
d. 34 inches, 42 inches - ANSWER-C
Where a stairway handrail is located adjacent to a wall, a
minimum clearance of _______________ shall be provided
between the wall and the handrail.
a. 1 1/4 inches
b. 1 1 /2 inches
c. 2 inches
d. 3 1 /2 inches - ANSWER-B
A Type I handrail having a circular cross section shall have a
minimum outside diameter of _______________ and a
maximum outside diameter of ______________.
a. 1 1/4 , 2 inches
b. 1 1 /4 , 2 5 /8 inches
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c. 1 1 /2 , 2 inches
d. 1 1 /2 , 2 5 /8 inches - ANSWER-A
A porch, balcony or similar raised floor surface more than 30
inches above the floor or grade below shall be provided with a
guard having a minimum height of _______________.
a. 32 inches
b. 34 inches
c. 36 inches
d. 42 inches - ANSWER-C
Required guards on open sides of raised floor areas shall be
provided with intermediate rails or ornamental closures such
that a minimum _______________ sphere cannot pass
through.
a. 3-inch
b. 4-inch
c. 6-inch
d. 9-inch - ANSWER-B
