CSLB B LICENSE GENERAL CONTRACTOR
EXAM 2026 330 QUESTIONS ANSWERS
COMPREHENSIVE SOLUTION VERIFIED
SUCCESS
⩥ Which of the following is a recommended method of installing a
hardwood floor over a concrete slab?
A. Float the floor
B. Apply glue
C. Use concrete nails
D. Use staples Answer: Float the floor before installing concrete.
⩥ When applying asphalt shingles, how far into the sheathing should
you drive nails? Answer: 3/4"
⩥ When notching and boring studs in NON-BEARING walls, you must
not cut more than? Answer: 60% when boring, and 40% while notching.
⩥ How soon should you pour concrete after you have mixed it without
additives? Answer: Non additive concrete should be poured within 1/2
of mixing.
,⩥ Where do you nail metal valley flashing? Answer: Metal valley
flashing should be nailed 1" from the outer edge.
⩥ What is the maximum grade of a sidewalk? Answer: 5% is the
maximum grade of a sidewalk.
⩥ The best standard fire rating for a roof assembly is? Answer: Class A
⩥ What should be done if Native American burial artifacts or remains
are discovered while digging? Answer: Stop work immediately at the
site and any nearby area reasonably suspected to have artifacts and
remains and contact the County Coroner.
⩥ What is a raked joint? Answer: A mortar joint that is compacted to a
specific depth while the mortar is still green.
⩥ What minimum clearance is required between a worker and high
voltage electrical lines? Answer: 6" is the minimum clearance between a
worker and high voltage electrical lines.
⩥ What must be done if work has stopped for a year after the date the
building permit was issued? Answer: You must obtain a new permit and
pay the fee again.
, ⩥ When installing Fiberglass insulation between floor joists, the
insulation is attached with: Answer: When installing fiberglass insulation
between floor joists, the insulation is attached with nails and wire.
⩥ Furring channel refers to? Answer: Wood or metal strips that provide a
base for fastening finish material.
⩥ To get a smooth stucco finish you would use a? Answer: Trowel
⩥ A collar beam is a? Answer: A horizontal member that ties opposite
rafters together.
⩥ How should you adjust the pitch of a solar collector mounted on a
roof? Answer: Use cripples.
⩥ A Freon recovery system is NOT required when:
A. Recharging a small appliance
B. Replacing a burnt out rotor in a hermetic unit
C. Overhauling a rooftop A/C unit
D. Scrapping an old refrigeration unit Answer: A freon recovery system
would not be required when recharging a small appliance.
EXAM 2026 330 QUESTIONS ANSWERS
COMPREHENSIVE SOLUTION VERIFIED
SUCCESS
⩥ Which of the following is a recommended method of installing a
hardwood floor over a concrete slab?
A. Float the floor
B. Apply glue
C. Use concrete nails
D. Use staples Answer: Float the floor before installing concrete.
⩥ When applying asphalt shingles, how far into the sheathing should
you drive nails? Answer: 3/4"
⩥ When notching and boring studs in NON-BEARING walls, you must
not cut more than? Answer: 60% when boring, and 40% while notching.
⩥ How soon should you pour concrete after you have mixed it without
additives? Answer: Non additive concrete should be poured within 1/2
of mixing.
,⩥ Where do you nail metal valley flashing? Answer: Metal valley
flashing should be nailed 1" from the outer edge.
⩥ What is the maximum grade of a sidewalk? Answer: 5% is the
maximum grade of a sidewalk.
⩥ The best standard fire rating for a roof assembly is? Answer: Class A
⩥ What should be done if Native American burial artifacts or remains
are discovered while digging? Answer: Stop work immediately at the
site and any nearby area reasonably suspected to have artifacts and
remains and contact the County Coroner.
⩥ What is a raked joint? Answer: A mortar joint that is compacted to a
specific depth while the mortar is still green.
⩥ What minimum clearance is required between a worker and high
voltage electrical lines? Answer: 6" is the minimum clearance between a
worker and high voltage electrical lines.
⩥ What must be done if work has stopped for a year after the date the
building permit was issued? Answer: You must obtain a new permit and
pay the fee again.
, ⩥ When installing Fiberglass insulation between floor joists, the
insulation is attached with: Answer: When installing fiberglass insulation
between floor joists, the insulation is attached with nails and wire.
⩥ Furring channel refers to? Answer: Wood or metal strips that provide a
base for fastening finish material.
⩥ To get a smooth stucco finish you would use a? Answer: Trowel
⩥ A collar beam is a? Answer: A horizontal member that ties opposite
rafters together.
⩥ How should you adjust the pitch of a solar collector mounted on a
roof? Answer: Use cripples.
⩥ A Freon recovery system is NOT required when:
A. Recharging a small appliance
B. Replacing a burnt out rotor in a hermetic unit
C. Overhauling a rooftop A/C unit
D. Scrapping an old refrigeration unit Answer: A freon recovery system
would not be required when recharging a small appliance.
