GENERAL CONTRACTOR LICENSE – KB2
STUDY PREP FULL SET 2026 | COMPLETE
EXAM GUIDE & PRACTICE QUESTIONS
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,According to the code, the minimum allowable height of a guardrail at a restaurant deck (or
any commercial building) is _____ inches above the finished floor height of the deck or
balcony.
42
If the blueprint does not disclose an exterior doors rough opening, then the standard
practice would be to frame the width _____ oversize.
2 inches
How are resilient channels used in drywall application?
to decrease sound transmission in walls and partitions
What screws are used to attach steel studs to the top and bottom steel track?
pan head, type S. It attaches stud to runner up to 14-ga
In single family dwelling sleeping rooms, the minimum net clear opening width of windows,
which are required for emergency egress or rescue, is _____ inches.
20
,According to the code what is the minimum slope on which asphalt strip shingles may be
installed?
2:12
According to Code the MAXIMUM diameter of a hole that may be bored in a 2 by 10 joist is
_____ inches.
3
According to the Code, notches allowed in the top or bottom of joists shall not exceed
what fraction of the depth of the joist?
1/6
While trenching and excavating, OSHA requires at least _____ feet of clear unobstructed
distance from the trenches edge to the toe or edge of the dirt or spoils pile.
2 feet
What is the actual size of a 2 x 4 surfaced dry piece of framing lumber?
1-1/2 by 3-1/2
What is the minimum height of a guardrail on a residential deck ?
36 inches
, A minimum tread run for stairways (other than spiral stairs) in single family dwellings having
an occupant load of less than 10 is _____ inches.
10
Dampening of the subgrade or the wood concrete forms prior to the placement of
concrete will:
prevent rapid extraction of the mixing water from the concrete
Notches on the ends of joists shall not exceed _____ percent of the joist depth.
25 (1/4th)
According to code, asphalt shingles installed on roof with a slope of 4:12 or greater require
an underlayment of:
one layer #15 non-perforated felt
How much clearance is the wood framing required to have where a masonry chimney
passes through the roof opening?
2 inches
Asphalt shingles installed in warmer climates with a slope of 4 in 12 or more should have a
minimum underlayment of:
1 layer of # 15
When should concrete curing procedures start?
As soon as possible after finishing.
A kind of molding installed on the vertical wall used to accept aluminum soffit panels is:
"F" Channel
STUDY PREP FULL SET 2026 | COMPLETE
EXAM GUIDE & PRACTICE QUESTIONS
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,According to the code, the minimum allowable height of a guardrail at a restaurant deck (or
any commercial building) is _____ inches above the finished floor height of the deck or
balcony.
42
If the blueprint does not disclose an exterior doors rough opening, then the standard
practice would be to frame the width _____ oversize.
2 inches
How are resilient channels used in drywall application?
to decrease sound transmission in walls and partitions
What screws are used to attach steel studs to the top and bottom steel track?
pan head, type S. It attaches stud to runner up to 14-ga
In single family dwelling sleeping rooms, the minimum net clear opening width of windows,
which are required for emergency egress or rescue, is _____ inches.
20
,According to the code what is the minimum slope on which asphalt strip shingles may be
installed?
2:12
According to Code the MAXIMUM diameter of a hole that may be bored in a 2 by 10 joist is
_____ inches.
3
According to the Code, notches allowed in the top or bottom of joists shall not exceed
what fraction of the depth of the joist?
1/6
While trenching and excavating, OSHA requires at least _____ feet of clear unobstructed
distance from the trenches edge to the toe or edge of the dirt or spoils pile.
2 feet
What is the actual size of a 2 x 4 surfaced dry piece of framing lumber?
1-1/2 by 3-1/2
What is the minimum height of a guardrail on a residential deck ?
36 inches
, A minimum tread run for stairways (other than spiral stairs) in single family dwellings having
an occupant load of less than 10 is _____ inches.
10
Dampening of the subgrade or the wood concrete forms prior to the placement of
concrete will:
prevent rapid extraction of the mixing water from the concrete
Notches on the ends of joists shall not exceed _____ percent of the joist depth.
25 (1/4th)
According to code, asphalt shingles installed on roof with a slope of 4:12 or greater require
an underlayment of:
one layer #15 non-perforated felt
How much clearance is the wood framing required to have where a masonry chimney
passes through the roof opening?
2 inches
Asphalt shingles installed in warmer climates with a slope of 4 in 12 or more should have a
minimum underlayment of:
1 layer of # 15
When should concrete curing procedures start?
As soon as possible after finishing.
A kind of molding installed on the vertical wall used to accept aluminum soffit panels is:
"F" Channel
