CM 1112 EXAM 2 STUDY GUIDE - 2026 UPDATE | QUESTIONS
AND ANSWERS | WITH COMPLETE SOLUTIONS.
Concrete slab shrinkage cracks are primarily reduced by:
Select one:
a. selecting a good concrete mix
b. adding wire-mesh rebar
c. providing proper slab finishing
d. adding a vapor retarder under the slab
e. adding a drainage layer below the slab. Answer - b. adding wire-mesh rebar
Form ties are associated with which concrete element?
Select one:
a. Spread footings
b. Elevated slab
c. Walls
d. Slab on grade
e. Caissons Answer - c. Walls
,In slab placement, what comes directly before concrete floating?
Select one:
a. Form work placement
b. Curing
c. Troweling
d. Pouring
e. Strike-off Answer - e. Strike-off
Insulating concrete forms (ICFs):
Select one:
a. place the insulation at the core of the concrete wall.
b. can be filled with concrete in a high-lift operation.
c. come in entire-wall size.
d. are interlocking blocks that can be placed easily.
e. are forms made of insulating concrete. Answer - a. place the insulation at
the core of the concrete wall.
Reshoring is:
Select one:
, a. form work for a column.
b. a second set of form work for a wall.
c. a set of supports for lower floors while upper floors get poured.
d. a preparation for post-tensioning of slabs.
e. form work that holds a concrete slab while it is being poured. Answer - c. a
set of supports for lower floors while upper floors get poured.
Slip forming would be most beneficial when constructing:
Select one:
a. elevator shafts or storage silos.
b. waffle slabs.
c. shallow footings.
d. precast double tees.
e. slabs on grade. Answer - a. elevator shafts or storage silos.
Which of the following is not associated with finishing a concrete slab on
grade?
Select one:
a. Troweling
b. Post-tensioning tendons
c. Floating
d. Strike-off Answer - b. Post-tensioning tendons
AND ANSWERS | WITH COMPLETE SOLUTIONS.
Concrete slab shrinkage cracks are primarily reduced by:
Select one:
a. selecting a good concrete mix
b. adding wire-mesh rebar
c. providing proper slab finishing
d. adding a vapor retarder under the slab
e. adding a drainage layer below the slab. Answer - b. adding wire-mesh rebar
Form ties are associated with which concrete element?
Select one:
a. Spread footings
b. Elevated slab
c. Walls
d. Slab on grade
e. Caissons Answer - c. Walls
,In slab placement, what comes directly before concrete floating?
Select one:
a. Form work placement
b. Curing
c. Troweling
d. Pouring
e. Strike-off Answer - e. Strike-off
Insulating concrete forms (ICFs):
Select one:
a. place the insulation at the core of the concrete wall.
b. can be filled with concrete in a high-lift operation.
c. come in entire-wall size.
d. are interlocking blocks that can be placed easily.
e. are forms made of insulating concrete. Answer - a. place the insulation at
the core of the concrete wall.
Reshoring is:
Select one:
, a. form work for a column.
b. a second set of form work for a wall.
c. a set of supports for lower floors while upper floors get poured.
d. a preparation for post-tensioning of slabs.
e. form work that holds a concrete slab while it is being poured. Answer - c. a
set of supports for lower floors while upper floors get poured.
Slip forming would be most beneficial when constructing:
Select one:
a. elevator shafts or storage silos.
b. waffle slabs.
c. shallow footings.
d. precast double tees.
e. slabs on grade. Answer - a. elevator shafts or storage silos.
Which of the following is not associated with finishing a concrete slab on
grade?
Select one:
a. Troweling
b. Post-tensioning tendons
c. Floating
d. Strike-off Answer - b. Post-tensioning tendons
