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CIM 3080 questions and answers certified 2024
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CIM 3080 questions and answers certified 2024
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CIM 3080: Test 1 (Review Quizzes)Which of the following statements is FALSE regarding the dimension lumber
used in the formwork?
A. Hardwood is most commonly used in the formwork construction
b. the maximum allowable moisture content for the kiln-dried is 19%
C. lumber with tannin may stain and soften the surface of concrete
d. all of the above - correct answer ✔A. hardwood is the most commonly
used in the formwork in construction
A lumber with a nominal size of 2x4" has an actual dressed size of
A. 2x4"
b. 1-5/8 x 3-5/8"
c. 1-1/2 x 3-1/2"
d. none of the above - correct answer ✔C. 1 - 1/2 x 3- 1/2"
Which of the following statements is TRUE regarding the adjustment factors of
lumber for formwork design?
a. Wet (moisture> 19%) lumber should be adjusted to a lower design value
B. Long-term loading >2months should be adjusted to a lower design value
C. Smaller size (width <12") should be adjusted to a lower design value
D. all of the above - correct answer ✔A. wet (moisture>19%) lumber should
be adjusted to a lower design value
Engineered wood products are typically _____ than the dimension of lumber:
a. less stable and consistent
b. less durable
,c. more resistant to distortion
D. all of the above - correct answer ✔C. more resistant to distortion
the use of plywood for sheathing has the advantages of _______ as
compared with boards.
a. faster erection and stripping
b. better concrete surface
c. higher number of reuses
d. all of the above - correct answer ✔D. all of the above
overlay on the plywood typically results in _______
a. rough concrete surface
b. increased resistance to abrasion and moisture
c. high demands for release agent
d. all of the above - correct answer ✔B. increased resistance to abrasion and
moisture
the main limitations of using steel as formwork material includes:
a. poor quality of concrete surface
b. low number of reuses
c. heavy weight
d. all of the above - correct answer ✔C. heavy weight
the main disadvantages of using aluminum as a formwork material as
compared with steel include:
a. lower strength
b. shorter service life
, c. higher deflection
d. all of the above - correct answer ✔c. higher deflection
insulating concrete forms are primarily made of _____
a. plywood
b. glass reinforced plastic
c. foamed plastic
d. all of the above - correct answer ✔c. foamed plastic
which of the following factors should be considered when we choose the nails
for the formwork assembly?
a. holding power
b. ease of removing
c. impression on the concrete surface
d. all of the above - correct answer ✔D . all of the above
which of the following ties is NOT recommended for heavy construction?
a. snap tie
b. taper tie
c. bar tie
d. she-bolt tie - correct answer ✔a. snap tie
for irregular buildings with lots of changes, which of the following shoring
systems is recommended?
a. hand-set wood shore
b. metal shore
c. shoring frame
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