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B-1 (KB-1) General commercial contractor (read mode) questions and correct answers (elaborations) with 100% accurate , verified , latest fully updated , 2024/2025 ,already passed , graded a+, complete solutions guarantee distinctions rationales| 5-star ra $7.99   Add to cart
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B-1 (KB-1) General commercial contractor (read mode) questions and correct answers (elaborations) with 100% accurate , verified , latest fully updated , 2024/2025 ,already passed , graded a+, complete solutions guarantee distinctions rationales| 5-star ra
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B-1 (KB-1) General commercial contractor (read mode) questions and correct answers (elaborations) with 100% accurate , verified , latest fully updated , 2024/2025 ,already passed , graded a+, complete solutions guarantee distinctions rationales| 5-star rating

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  • August 5, 2024
  • 21
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • b 1 kb 1 general commercial contractor read mod

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  • Commercial Construction
  • Commercial Construction

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B-1 (KB-1) General commercial contractor (read
mode)
(Q- 55044) Referring to the illustration, (a complete plan set will be available at the test site),
how many 6'-0" width hollow metal door frames are required for this project? - ANS-8

(Q-10161) When installing 3 tab asphalt strip shingles in severe climates, on a roof slope of 5/12
the approved ice protection membrane should extend from the roof eave to a minimum of
____________ inches inside the exterior wall. (this applies to roofs 4/12 and greater) - ANS-24

(Q-115) according to code, windows intended for use as an emergency escape route must have
a finished sill height not more than ______ inches above the finished floor. - ANS-44

(Q-116919) What can you do to concrete mix to make it less prone to sulfate attack? - ANS-use
a low water to cement ratio

(Q-117046) The ends of wall ties shall be embedded in mortar joint a minimum of? - ANS-1/2
inch

(Q-117129) What is the primary reason to ventilate a non-conditioned area? - ANS-to remove
moisture

(Q-117131) Construction loads should only be placed on steel joists after the joists have been
________. - ANS-Bridged

(Q-117132) Concrete bleeding can be reduced by ____________. - ANS-use of air entraining
addmixtures

(Q-117446) The right amount of moisture ( or maximum water content ) for soil to reach the
greatest density is called the ________. - ANS-optimum moisture content

(Q-117510) The standard bearing depth of an open web steel joist measures _________ inches.
- ANS-2 - 1/2

(Q-117528) what is the maximum spacing of sill plate bolts? - ANS-6 foot

(Q-117556) What is the most important factor in detemining the "R" value of blown in insulation?
- ANS-density

(Q-117695) The purpose of rebar or steel matting in concrete is to help increase resistance to
__________. - ANS-tension

,(Q-117736) On a topographical map, there are contour lines at 130 feet and 140 feet, with a
contour interval of 50 feet. What is the percentage of the slope? - ANS-20

(Q-117758) Which of the following is not required when submitting shop drawings for fire
protection systems? - ANS-name of monitoring company with contact information

(Q-117803) What is the maximum aggregate size for shotcrete? - ANS-19 mm (3/4 in )

(Q-118287) What effect does the addition of fly ash have on concrete? - ANS-decreases
bleeding

(Q-118302) Which of the following on a grade stamp indicates the dryness of the wood? -
ANS-S-DRY

(Q-118303) Which engineered wood uses compressed fibers and adhesive? - ANS-MDF

(Q-118304) Which of the following is preferred when appearance is important? - ANS-Hardwood
plywood

(Q-118323) What is the minimum number of manual fire alarm boxes required in an approved
space? - ANS-1

(Q-118355) What is the building material used for the wall around stair number 1 ? -
ANS-Concrete

(Q-118385) When dropping debris without chutes, barricades are required to be ________ from
the projected edge of the opening. - ANS-42 inches high and 6 feet back

(Q-118386) What is the minimum rquired illumination in an active construction storage area? -
ANS-3 foot-candles

(Q-118395) Lowering the top bars in a 6-inch deep slab could reduce its load carrying capacity
by _______. - ANS-20 percent

(Q-120) Concrete reinforcing bars having surface rust or mill scale which does not appreciably
reduce the diameter of the bar: - ANS-May be used as is

(Q-121) Given: Concrete reinforcement is to be placed for a square footing. the reinforcing bars
are fabicated into a single mat. the footing must support a single column bearing in the center of
the footing. the reinforcing bars would normally be placed: - ANS-near the bottom of the footing

(Q-1308) In a reinforced masonry wall the MINIMUM distance between the edge of a vertical
reinforcing bar and any surface of a masonry unit shall be: - ANS-1/4 inch

, (Q-1317) prior to the application of the acid solution used to clean masonry, the masonry should
be thoroughly saturated with: - ANS-water

(Q-1498) according to OSHA, all of the following power tools may be equipped with only a
positive "on/off" switch except? - ANS-Circular saw

(Q-158) the minimum distance that end joints shall be offset in double top plates is _______
inches. - ANS-48

(Q-1672) Number 5 deformed steel reinforcing bar is lapped 30 times the bar diameter. what is
the actual bar lap? - ANS-18 -3/4 inches

(Q-1731) The minimum requirements for at least one exterior door in a dwelling unit concerning
the MINIMUM CLEAR WIDTHH when the door is open is ________ inches. - ANS-32

(Q-197) air entrained concrete is mainly used to: - ANS-reduce damage by freeze thaw cycles

(Q-1988) When hooking up a regulator on oxygen welding bottles, the correct procedure is to: -
ANS-open and close quickly

(Q-205) Which of the following is NOT an acceptable method of attaching wall cabinets to a
wall? - ANS-nails through the back panel into a stud

(Q-2061) which of the following is the proper starting place for laying parquet flooring? - ANS-in
the center

(Q-2089) according to the code, glazed openings in fire doors located in walls required to have
a one hour, fire resistive rating, shall be limited to ______ square inches in area. - ANS-100

(Q-211) According to Code, foundation plates or sills shall be anchored to the foundation with
bolts spaced not more than ________ inches apart? - ANS-72 inches

(Q-217) The standard height of a kichen base cabinet including the counter top is _________
inches. - ANS-36

(Q-2238) According to OSHA, on excavation projects where employees have to enter an
excavation. the soil shall be stored at least how far from the edge? - ANS-2 Feet

(Q-2342) A number 6 reinforcing steel (rebar) is to have a 40 bar diameter lap. What is the
length of the lap? - ANS-30 inches

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