pg. 1 General Contractor CSLB B Trade Exam Test Bank 1 latest 2025-2026 With 400 Exam Prep Questions and Correct Verified Answers/ CSLB B Exam 2025 Preparation Test Bank (new!)
How soon should you pour concrete after you have mixed it without additives?
- 1/2 hour
- 1 hour
- 4 hours
- 8 hours - ANSWER-A.
1/2 hour.You should begin placing concrete within 30 minutes of mixing, and it MUST be placed within 90 minutes to prevent the concrete from becoming too stiff and difficult to place and finish.
In cold climates, you cover freshly poured concrete to:
- prevent hydration
- prevent discoloration
- prevent warping
- prevent freezing - ANSWER-D.
Prevent freezing.In order to hold in the heat, long enough for curing.
Fire-stopping requires cutting off all concealed vertical and horizontal openings:
- ,between floors and roofs, soffits, drop ceilings, cove ceilings 1 / 4
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- furred spaces, at ceilings and floors
- around vents, pipes, ducts, chimneys, and fireplaces
- All of the above - ANSWER-D.
All of the above.
Which of the following tools are you MOST likely to need when installing a hardwood floor?
- planer and hammer
- saw and hammer
- saw and nailer
- sawzall and level - ANSWER-B.
Saw and hammer.While all of the above tools are commonly used, a saw and hammer are most common.
In order to find out what grade of lumber would be required for a specific set of plans, who would you consult?
- an architect
- International Building Code (IBC) building inspector
- the local building department
- the owner - ANSWER-A.
The architect specifies the grade and species of !umber required on the plans. The architect would consult the International Building Code (IBC)
Rafter ties shall be spaced no more than __ feet on center.
- 2
B. 2-1/2 2 / 4
pg. 3
- 4
- None of the above - ANSWER-C.
- feet
Headers (in rafters) need to be double if spanning is more than ______?
- 2 feet
- 2-1/2 feet
- 4 feet
- 4-1/2 feet - ANSWER-C.
- feet
Truss members can or cannot be cut or can or cannot be altered?
- can be cut ... can be altered
- cannot be cut ... can be altered
- can be cut ... cannot be altered
- cannot be cut ... cannot be altered - ANSWER-D.
Cannot be cut ... cannot be altered.
Top plates are to be lapped at LEAST __ inches?
- 12
- 16
- 18
D. 24 - ANSWER-D.
24inches
- / 4
pg. 4 Which of the following is a truss style?
- Lambert
- Panel scissor
- Briggs & Stratton
- Inverted Belgian - ANSWER-B.
A panel scissor is a style of truss.
When nailing a stud to the sole plate use:
- 2-16d end nails or 2-16d toe nails
- 2-16d end nails or 4-8d toe nails
- 2-16d end nails or 4-16d toe nails
- 4-16d end nails or 4-8d toe nails - ANSWER-. B.
2-16d end nails or 4-Sd toe nails. Toe nails go in the sides or edges at an angle.End nails go in the end of studs.
When attaching shingle siding by nailing into a shear membrane, how much penetration should the nails have through or into the membrane?
- 5/16"
- 3/8"
- 1/2"
- 5/8" - ANSWER-C. 1/2"
Membrane refers to an assembly of sheathing materials such as structural sheathing plywood panels.
MINIMUM roof/attic ventilation needed is __ square foot of ventilation area to every __ square feet of floor space.
- 1 ... 100
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