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Contractor License Questions and Answers
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The minimum head room for stairs is __________ . Ans: 6'-8"
Un-reinforced parapet wall shall have a minimum thickness of
___________________ inches. Ans: 8
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A standard glass masonry unit is ______________ inches thick. Ans: 3- 7/8
______________ are used to face nail jack rafters to hips. Ans: Two 16d
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common nails
Joist end notches shall not exceed ____________ of the joist depth. Ans:
one- fourth
The maximum slope of a ramp is _____________. Ans: 1:12
_______________ feet is the minimum width for pedestrian walkway in front
if a construction site. Ans: 4
Wood shingles are fastened to the roof with a minimum ______________
fasteners per shingle. Ans: 2
_____________ is the broadcasting of a flame over a surface. Ans: flame
spread
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The bottom of the clear opening for class E classroom emergency
escape and rescue opening serving children older than grade 5, shall
not be greater than __________ inches. Ans: 44
Standby power shall be provided for smoke control systems to span
_______ minute power interruptions. Ans: 15
The total area of mezzanines must not exceed __________ of the room in
which it is located. Ans: 1/3
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When installing asphalt shingles over one ply of fifteen pound felt what is
the minimum allowable roof slope? Ans: 4:12
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ASTM ______________ covers testing samples of fresh concrete. Ans: C
172
During the time concrete is being placed, metal reinforcement may
_____________. Ans: be rust covered
A mortar bed on top of a footing should be between ___________ and
_______________. Ans: 1/4" and 3/4"
Waterproofing shall be applied from the bottom of the wall a minimum
of ____________ inches above the maximum elevation of ground water
table. Ans: 12
Metal shingles have a fire classification of ___________. Ans: B
The minimum width of any egress door opening shall be _________ inches.
Ans: 32
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Buildings made with the use of heavy timber are classification Type
___________. Ans: IV
Asphalt shingles shall only be used on roof slopes of ___________ or
greater. Ans: 2:12
Corrugated or flat plastic skylights shall have a slope of at least
______________. Ans: 4:12
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What is the minimum thickness of aluminum used as valley lining
material? Ans: 0.024 inch
The maximum slope for permanent fill on a building lot is _____________.
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Ans: 50%
Cements and aggregates used in concrete shall comply with
_______________. Ans: ACI 318
Which of the following is not approved for attaching asphalt shingles?
Ans: staples
A cricket or saddle shall be installed on the ridge side of any chimney
greater than _____ inches. Ans: 30
When fire blocking is required, the spacing must not exceed
_______________. Ans: 10 feet
What is the maximum unlatching force for panic and fire hardware? Ans:
15 lbs.
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The grade shall be sloped away from a building no less than 1:20 for a
minimum distance of how many feet? Ans: 10
Nails used to install mechanically laminated flooring shall be ________
times as long as the thickness of the boards. Ans: 2- 1/2
Property owners who are planning on digging deep excavations on their
property must notify all adjacent property owners within __________ days
of starting the excavation work. Ans: 10
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Joist girders must not be ______________. Ans: bridged
The end ancore bolt for a deep long span joist is ___________. Ans: 3/4
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inch
What does the 15 denote on the deep long span joist destination
56DLH15? Ans: chord number
Bearing depth of a K-series joist is ____________ inches. Ans: 2- 1/2
Bridging attachment to the joist must be capable of resisting a horizontal
force of not less than __________ pounds. Ans: 700
Placing construction loads on unbridged joists is allowed if
_____________________________. Ans: it is not allowed under any
circumstances
OSHA required that a bundle of bridging not exceed a total of
___________ pounds. Ans: 1000