B3/61 Contractor Trade Prep| Ques ons and
answers | UPDATED RATED A+ | NEW 2026
Which of the following classes of asphalt shingles would have the best fire ra ng?
Class C
Class A
Grade A
Class B
Class A
IBC: 1505.2
IRC: R902.1
When installing strip wood flooring what is the recommended minimum staggered distance of
the bu(ed joints from those of the preceeding row?
9 inches
15 inches
6 inches
12 inches
6 inches
A weep screed shall be placed a minimum of how many inches above the earth?
4 inches
8 inches
6 inches
2 inches
4 inches
IRC: R703.7.2.1
IBC: 2512.1.2
,Materials used for sprayed foamed-in- place roof insula on on type III and IV buildings shall
comply with
ASTM C 1029
ASTM D2626
ASTM V957
ASTM D4434
ASTM C 1029
IRC: R905.14.2
IBC: 1507.14.2
Which of the following grades of veneer plywood designates the highest quality?
D
C
B
A
A
Carpentry and building construc on pg 340
If you have 8 employees in your company and you move into a new building, what safety
precau ons are required by OSHA?
Nothing
Verbal Explana on of emergency plan
Install alarm system iden fying the cause
Appoint 4 employees as safety personnel
Verbal explana on of emergency plan
(10 or more employees require wri(en plan)
OSHA 1926.35(e)(3)
Refer to the illustra on of a 2 story house w/lap siding plans, (complete set of plans at the test
center), what is the eleva on of the height intermediate landing of the stairs?
61 1/2 inches
,55 inches
53 1/2 inches
107 inches
61 1/2 inches
Refer to diagram
An area where empty drums that have held flammable or hazardous product are being welded
or cut can include all of the following except:
inspec on & cleaning for cuBng
Boring hole in tank to relieve heat pressure
Oxygen used for cooling barrels and blowing dust from clothing
A fire ex nguisher nearby and ready to use
Oxygen used for cooling barrels and blowing dust from clothing
Osha 1926.353(a)(5)
Which of the following should be used for drywall finishing in prepara on for pain ng and wall
covering?
Texture
Float
Spray
Trowel
Trowel
WTFFFFF
What is the horizontal span or length of a stairway called?
Span
Tread
Total rise
Total run
Total run
, The maximum depth of a notch in the top or bo(om of a floor joist is _______ of the depth of
the joist.
1/4
1/6
1/3
1/8
1/6
IRC: R502.8.1
IBC:2308.4.2.4
How large of a hole can be drilled into a steel stud?
2 inches
3/4 inch
1 inch
1 1/2 inch
1 1/2 inches
IRC: R603.2.6.1(4)
What type of connec on should be used when an I-joist and a beam meet?
Metal framing es
Metal hurricane clips
Joist hanger
Railing Tie
joist hanger
carpentry and building construc on pg 388
Where does the vapor barrier go in an aBc that has 2 layers of ba( insula on?
Above the insula on
Stapled to the raGers
Between the layers of insula on
Below the insula on
answers | UPDATED RATED A+ | NEW 2026
Which of the following classes of asphalt shingles would have the best fire ra ng?
Class C
Class A
Grade A
Class B
Class A
IBC: 1505.2
IRC: R902.1
When installing strip wood flooring what is the recommended minimum staggered distance of
the bu(ed joints from those of the preceeding row?
9 inches
15 inches
6 inches
12 inches
6 inches
A weep screed shall be placed a minimum of how many inches above the earth?
4 inches
8 inches
6 inches
2 inches
4 inches
IRC: R703.7.2.1
IBC: 2512.1.2
,Materials used for sprayed foamed-in- place roof insula on on type III and IV buildings shall
comply with
ASTM C 1029
ASTM D2626
ASTM V957
ASTM D4434
ASTM C 1029
IRC: R905.14.2
IBC: 1507.14.2
Which of the following grades of veneer plywood designates the highest quality?
D
C
B
A
A
Carpentry and building construc on pg 340
If you have 8 employees in your company and you move into a new building, what safety
precau ons are required by OSHA?
Nothing
Verbal Explana on of emergency plan
Install alarm system iden fying the cause
Appoint 4 employees as safety personnel
Verbal explana on of emergency plan
(10 or more employees require wri(en plan)
OSHA 1926.35(e)(3)
Refer to the illustra on of a 2 story house w/lap siding plans, (complete set of plans at the test
center), what is the eleva on of the height intermediate landing of the stairs?
61 1/2 inches
,55 inches
53 1/2 inches
107 inches
61 1/2 inches
Refer to diagram
An area where empty drums that have held flammable or hazardous product are being welded
or cut can include all of the following except:
inspec on & cleaning for cuBng
Boring hole in tank to relieve heat pressure
Oxygen used for cooling barrels and blowing dust from clothing
A fire ex nguisher nearby and ready to use
Oxygen used for cooling barrels and blowing dust from clothing
Osha 1926.353(a)(5)
Which of the following should be used for drywall finishing in prepara on for pain ng and wall
covering?
Texture
Float
Spray
Trowel
Trowel
WTFFFFF
What is the horizontal span or length of a stairway called?
Span
Tread
Total rise
Total run
Total run
, The maximum depth of a notch in the top or bo(om of a floor joist is _______ of the depth of
the joist.
1/4
1/6
1/3
1/8
1/6
IRC: R502.8.1
IBC:2308.4.2.4
How large of a hole can be drilled into a steel stud?
2 inches
3/4 inch
1 inch
1 1/2 inch
1 1/2 inches
IRC: R603.2.6.1(4)
What type of connec on should be used when an I-joist and a beam meet?
Metal framing es
Metal hurricane clips
Joist hanger
Railing Tie
joist hanger
carpentry and building construc on pg 388
Where does the vapor barrier go in an aBc that has 2 layers of ba( insula on?
Above the insula on
Stapled to the raGers
Between the layers of insula on
Below the insula on
