RBC Study Set 2026–2027 | Complete Exam
Questions, Answers & Certification Preparation
Guide
These views show the Front Back Right & left sides of a house.
a Site elevation
B ) contrast elevation
C)Exterior elevation
D) interior elevation - correct answers -C) Exterior elevation
Section views provide in formation about materials , Support Systems and concealed features . This
shows how on Object will look when it is cut vertically.
A ) Verticle Slice
B) Horizontal slice
C) Spectrum
D) Trim detail - correct answers -B) Horizontal Slice
Where is release mechanism for a cool barrier located?
A) One outside pool 2 inches from the top of the barrier
B) or an inside pool 2 inches from the top of the barrier
C outside of the pool 3 " from the top of the barrier
D) On the inside of the pool 3 " from the top of the barrier - correct answers -D) on the inside of the
pool, 3 inches from the top of the barrier IRC 2012 appendix G 830 # 1 )
1
,what is the minimum slope of unsoldered seemed metal roofs without sealant?
A) 2 in 12
B) 3 in 12
C)4 in 12
D) 6 in 12 - correct answers -B) 3 in 12
What is range of slump for concrete used in a wall?
A) 1 inch to4 inch
B) 2 inch to4 inch
C) 2 inch to8 inch
D) 4 inch 8 inch - correct answers -D) 4" to 8"
Lumber which is to be removed manually should be stacked a maximum of how high?
A) 5 feet
B) 10 feet
C) 16 feet
D) 20 feet - correct answers -C) 16 feet
What is the minimum width for a platform scaffold? No exceptions apply.
A) 12 inches
B) 18 inches
C) 24 inches
D) 30 inches - correct answers -B) 18"
2
,A trench must have an adequate protection system. If its depth is a minimum of how many feet? The
trench is not in stable rock.
A) 3 feet
B) 4 feet
C) 5feet
D) 6 feet - correct answers -C) 5 feet
How many bundles of three tab shingles are contained in a square of roofing?
A) 2
B) 3
C) 4
D) 5 - correct answers -B) 3
Containers that are used to store empty cans of flammable/volitile must be ______ ?
A) re-contaminated on a regular basis
B) inspected by a competent person
C) emptied daily
D) covered - correct answers -B) competent person
What is the first thing in individual should check before entering a confined space?
A) inspection reports
B) marking of the hazard
3
, C) adequate lighting
D) availability of breathable air - correct answers -D) availability of breathable air
What is assumed to be the loadbearing capacity of clay soil if no soil tests are required or made?
A) 1500 pounds per square foot
B) 2000 pounds per square foot
C) 2500 pounds per square foot
D) 3000 pounds per square foot - correct answers -A) 1500 pounds per square foot
Who is responsible for training employees about the hazards of working in a confined space?
A) qualified person
B) employer
C) building official
D) OSHA - correct answers -B) Employer
What is the maximum one center spacing of vertical reinforcement for a 12 inch nominal thickness
Masonary foundation wall, wall height 7'4" and backfill height 7'4" - correct answers -D) 72". IRC
R404.1.1(4) pg 105
Soil that has expansive characteristic is?
A) is appropriate only for use as backfill
B) should not be used as backfill
C) should be compacted to75% or higher
D) should not be disturbed - correct answers -B) Should not be used as backfill
4
Questions, Answers & Certification Preparation
Guide
These views show the Front Back Right & left sides of a house.
a Site elevation
B ) contrast elevation
C)Exterior elevation
D) interior elevation - correct answers -C) Exterior elevation
Section views provide in formation about materials , Support Systems and concealed features . This
shows how on Object will look when it is cut vertically.
A ) Verticle Slice
B) Horizontal slice
C) Spectrum
D) Trim detail - correct answers -B) Horizontal Slice
Where is release mechanism for a cool barrier located?
A) One outside pool 2 inches from the top of the barrier
B) or an inside pool 2 inches from the top of the barrier
C outside of the pool 3 " from the top of the barrier
D) On the inside of the pool 3 " from the top of the barrier - correct answers -D) on the inside of the
pool, 3 inches from the top of the barrier IRC 2012 appendix G 830 # 1 )
1
,what is the minimum slope of unsoldered seemed metal roofs without sealant?
A) 2 in 12
B) 3 in 12
C)4 in 12
D) 6 in 12 - correct answers -B) 3 in 12
What is range of slump for concrete used in a wall?
A) 1 inch to4 inch
B) 2 inch to4 inch
C) 2 inch to8 inch
D) 4 inch 8 inch - correct answers -D) 4" to 8"
Lumber which is to be removed manually should be stacked a maximum of how high?
A) 5 feet
B) 10 feet
C) 16 feet
D) 20 feet - correct answers -C) 16 feet
What is the minimum width for a platform scaffold? No exceptions apply.
A) 12 inches
B) 18 inches
C) 24 inches
D) 30 inches - correct answers -B) 18"
2
,A trench must have an adequate protection system. If its depth is a minimum of how many feet? The
trench is not in stable rock.
A) 3 feet
B) 4 feet
C) 5feet
D) 6 feet - correct answers -C) 5 feet
How many bundles of three tab shingles are contained in a square of roofing?
A) 2
B) 3
C) 4
D) 5 - correct answers -B) 3
Containers that are used to store empty cans of flammable/volitile must be ______ ?
A) re-contaminated on a regular basis
B) inspected by a competent person
C) emptied daily
D) covered - correct answers -B) competent person
What is the first thing in individual should check before entering a confined space?
A) inspection reports
B) marking of the hazard
3
, C) adequate lighting
D) availability of breathable air - correct answers -D) availability of breathable air
What is assumed to be the loadbearing capacity of clay soil if no soil tests are required or made?
A) 1500 pounds per square foot
B) 2000 pounds per square foot
C) 2500 pounds per square foot
D) 3000 pounds per square foot - correct answers -A) 1500 pounds per square foot
Who is responsible for training employees about the hazards of working in a confined space?
A) qualified person
B) employer
C) building official
D) OSHA - correct answers -B) Employer
What is the maximum one center spacing of vertical reinforcement for a 12 inch nominal thickness
Masonary foundation wall, wall height 7'4" and backfill height 7'4" - correct answers -D) 72". IRC
R404.1.1(4) pg 105
Soil that has expansive characteristic is?
A) is appropriate only for use as backfill
B) should not be used as backfill
C) should be compacted to75% or higher
D) should not be disturbed - correct answers -B) Should not be used as backfill
4
