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Math for LA contractor Exam Practice Questions and Answers
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Math for LA contractor Exam Practice Questions and Answers A wall is 32' long and studs are spaced 16" on-center, how many studs are needed for this wall? - Answer️️ -25 A wall is 44' long and studs are spaced 16" on-center, how many studs are needed for this wall? - Answer️️ -34 If s...

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  • August 31, 2024
  • 17
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • math for la contractor exam practice questions and

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©PREP4EXAMS 2024/2025 REAL EXAM DUMPS Tuesday, August 6, 2024 10,57 AM




Math for LA contractor Exam Practice
Questions and Answers

A wall is 32' long and studs are spaced 16" on-center, how many studs are needed

for this wall? - Answer✔️✔️-25


A wall is 44' long and studs are spaced 16" on-center, how many studs are needed

for this wall? - Answer✔️✔️-34


If studs are placed 16" on center, what is the measurement from the right corner to

the right edge of the 4th stud? - Answer✔️✔️-48-3/4 = 47 1/4


A wall measures 8' from the bottom of the sole plate to the top of the top plate. The

wall is constructed with a single plate on the top and a single plate on the bottom.

What is the cut length of the stud? - Answer✔️✔️-8'-3" = 7'9" or 7.75


A wall is 32' long, 8'-1 1/2" from the bottom of of the sole plate to the top of the

double top plate. Studs are spaced 16" on-center. Assuming there are no openings,

calculate the linear feat of lumber in the wall. - Answer✔️✔️-289.75


A wall is 32' long with studs 16" on center. IT measures 8" from the bottom of the

sole plate to the top of the single top plate, assuming no framed openings, what is


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,©PREP4EXAMS 2024/2025 REAL EXAM DUMPS Tuesday, August 6, 2024 10,57 AM


the total linear feet of lumber in the wall. - Answer✔️✔️-25x7.75= 193.75 2x32-64

64+193.75=257.75

If a header is 37-1/2' wide, what is the measurement for the rough opening? -

Answer✔️✔️-32


Calculate board feet of lumber in 12 - 2x8 floor joists that are 14' in length -

Answer✔️✔️-224


Calculagte board feet of lumber in 10 studs that are each 8' in lenght - Answer✔️✔️-

53.33

Given: 100 pounds of nails cost $35, there are 250 nails per pound. There re 80

shingles per roofing square and 4 nails per shingle. What would be the total cost of

the nails for 47 roofing squares? - Answer✔️✔️-21.06


How mahy tread sdoes it take to get toa 9' vertical height? - Answer✔️✔️-14

residential (7.75")

15 commercial (7")


How many square feet are in a sheet of 4x8 plywood? - Answer✔️✔️-32


Given: Two walls are 96'x8' and two walls are 40'x8'. HOw many sheets of 4x8

plywood are needed for these walls? - Answer✔️✔️-68



2

, ©PREP4EXAMS 2024/2025 REAL EXAM DUMPS Tuesday, August 6, 2024 10,57 AM


The run of a building that is 50' wide - Answer✔️✔️-25'


The run of a bulding that has a span of 64' - Answer✔️✔️-32'


The gable height of a bulding that is 36' wide with a 4:12 slope - Answer✔️✔️-

(18x4)/12 = 6'


The gable height of a bulding that is 28' wide with a 6:12 slope - Answer✔️✔️-14x6

= 84" & 7'

A building is 57'x39' with a hip roof and a 1" overhang will have a ridgeboard

length of - Answer✔️✔️-18 (DO NOT INCLUDE THE OVERHANG)


A 41'x41' building with a hip roof and a 2' overhang on each side will have a

ridgeboard length of - Answer✔️✔️-0 (41-41=0)


What do you put up first on a roof? - Answer✔️✔️-Ridgeboard


What is the vertical rise of a 24' wide building with a 1/3 pitch? - Answer✔️✔️-96"


What is the slope of a roof that has a 1/4 pitch - Answer✔️✔️-6:12 (6x12=72)


What length material will you order for the common rafter for a building that is 38'

wide with a 1' overhang? The roof slope is 4:12 - Answer✔️✔️-22' lumber




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