Virginia RBC Exam Prep/Virginia Residential
Building Contractor Exam With Actual Correct
Questions And Verified Detailed Answers| Currently
Testing Version | Already Graded A+|Newest |2026
2027
While installing that insulation, what is the main purpose(Vapor barrier)
A) this can be removed after installation is put in
B) Support insulation materials
C) vapor retarder
D) just for looks
B) to support insulation materials
Maximum size of a building at the Lot 90 feet wide and 120 feet the front setback 30 feet
rear setback 15 feet side setback 10 feet?
A) 45' x 100'
B) 70 ' x 75'
C) 25' x 50'
D) 105' x 20'
A) 45'x100'
What is the minimum distance from the edge of a trench that is allowed to place
materials and equipment?
A) 10 four
B) 6 foot
C) 4 foot
D) 2 foot
D) 2 foot
1|Page
,Alone, on a drawing, composed of long and short dashes, what is the name of this type
of line?
A) centerline
B) dimension line
C) Hidden line
D) outline
A) Center line
Concrete gains 100% of its design strengthen how many days?
A) 7
B) 14
C) 28
D) 36
C) 28 days
The maximum required setback of the face from the structure from the toe of the slope?
A) 10'
B) 12'
C) 15'
D) 20'
C) 15'
What's the minimum compressive strength of concrete for garage slab and severe
weathering?
A) 2000 psi
B) 2500 psi
C) 3500 psi
D) 3500 psi air entrained
D) 3500 psi, air entrained
Where is the freeze board located?
A) under the window
B) on the fascia
2|Page
,C) under the soffit
D) on the story pole
C) under the soffit
What material is required for the door of an ash dump clean out ?
A) plastic
B) copper
C) wood
D) cast iron
D) cast iron
What is the term for a basic starting point of a building?
A) start line
B) benchmark
C) starting point
D) none
C) starting point
Bathroom, water, closet compartment shall be provided with glazing area and windows
of not less than ___________square feet
A) 2 sq ft
B) 3 sq ft
C) 4 sq ft
D) 5 sq ft
B) 3 sq ft
Is the minimum distributed live load for deck?
A) 30 PSF
B) 40 PSF
C) 50 PSF
D) 60 PSF
3|Page
, B) 40 PSF
What is the minimum period between applying a finish coat of interior plaster after the
second coat?
A) 8 hours
B) 12 hours
C) 24 hours
D) 48 hours
D) 48 hours
Is the maximum allowable slope in type C soil?
A) vertical
B) 3/4:1
C) 1:1
D) 1 1/2:1
D) 1 1/2 : 1
Underfloor space (crawlspace) shall have renovation openings between the bottom of
joist and the Earth. Ventilation shall go through exterior walls. The minimum net area of
ventilation openings shall not be less than_______ for each 150 sq ft
A) 100 sq ft
B) 5 sq ft
C) 1 cubic ft
D) 1 sq ft
D) 1 sq ft
What is required air space between the sheathing veneer?
A) min 2'' max 4''
B) min 1'' and max 4 1/2''
C) min 1/2 '' and max 4''
D) min 1/2'' and max 4 1/2''
B) Minimum 1 inch and maximum 4 1/2 inch
4|Page
Building Contractor Exam With Actual Correct
Questions And Verified Detailed Answers| Currently
Testing Version | Already Graded A+|Newest |2026
2027
While installing that insulation, what is the main purpose(Vapor barrier)
A) this can be removed after installation is put in
B) Support insulation materials
C) vapor retarder
D) just for looks
B) to support insulation materials
Maximum size of a building at the Lot 90 feet wide and 120 feet the front setback 30 feet
rear setback 15 feet side setback 10 feet?
A) 45' x 100'
B) 70 ' x 75'
C) 25' x 50'
D) 105' x 20'
A) 45'x100'
What is the minimum distance from the edge of a trench that is allowed to place
materials and equipment?
A) 10 four
B) 6 foot
C) 4 foot
D) 2 foot
D) 2 foot
1|Page
,Alone, on a drawing, composed of long and short dashes, what is the name of this type
of line?
A) centerline
B) dimension line
C) Hidden line
D) outline
A) Center line
Concrete gains 100% of its design strengthen how many days?
A) 7
B) 14
C) 28
D) 36
C) 28 days
The maximum required setback of the face from the structure from the toe of the slope?
A) 10'
B) 12'
C) 15'
D) 20'
C) 15'
What's the minimum compressive strength of concrete for garage slab and severe
weathering?
A) 2000 psi
B) 2500 psi
C) 3500 psi
D) 3500 psi air entrained
D) 3500 psi, air entrained
Where is the freeze board located?
A) under the window
B) on the fascia
2|Page
,C) under the soffit
D) on the story pole
C) under the soffit
What material is required for the door of an ash dump clean out ?
A) plastic
B) copper
C) wood
D) cast iron
D) cast iron
What is the term for a basic starting point of a building?
A) start line
B) benchmark
C) starting point
D) none
C) starting point
Bathroom, water, closet compartment shall be provided with glazing area and windows
of not less than ___________square feet
A) 2 sq ft
B) 3 sq ft
C) 4 sq ft
D) 5 sq ft
B) 3 sq ft
Is the minimum distributed live load for deck?
A) 30 PSF
B) 40 PSF
C) 50 PSF
D) 60 PSF
3|Page
, B) 40 PSF
What is the minimum period between applying a finish coat of interior plaster after the
second coat?
A) 8 hours
B) 12 hours
C) 24 hours
D) 48 hours
D) 48 hours
Is the maximum allowable slope in type C soil?
A) vertical
B) 3/4:1
C) 1:1
D) 1 1/2:1
D) 1 1/2 : 1
Underfloor space (crawlspace) shall have renovation openings between the bottom of
joist and the Earth. Ventilation shall go through exterior walls. The minimum net area of
ventilation openings shall not be less than_______ for each 150 sq ft
A) 100 sq ft
B) 5 sq ft
C) 1 cubic ft
D) 1 sq ft
D) 1 sq ft
What is required air space between the sheathing veneer?
A) min 2'' max 4''
B) min 1'' and max 4 1/2''
C) min 1/2 '' and max 4''
D) min 1/2'' and max 4 1/2''
B) Minimum 1 inch and maximum 4 1/2 inch
4|Page
