2025AciFlatwork Exam MadeEasy– ScoreWith v v v v v v v v
CorrectSolutions A+ v v v
Rigid supports for a straightedge used to strike off concrete can be - CORRECT ANSWER✔✔All of the above
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How can workers avoid low spots when using hand-operated straightedges? - CORRECT ANSWER✔✔Place
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concrete about 1 in higher in front of the screed
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Hand-held vibrating screeds are often useful when striking off concrete with ____ - CORRECT ANSWER✔✔
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Wet screeds v
Vibrating screeds should be moved forward as fast as proper consolidation allows to avoid bringing too much
v v v v v v v v v v v v v v v v
mortar to the surface. t or f - CORRECT ANSWER✔✔True
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On slabs with many protruding pipes, a ____ works better than a ____ ______ for smoothing the surface -
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CORRECT ANSWER✔✔darby and bull floats
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Bull floating is done : - CORRECT ANSWER✔✔immediately after screeding
v v v v v v v v v
When using a magnesium bull float, leaving a small unfloated section and watching for bleed water in that
v v v v v v v v v v v v v v v v v
section can help determine if the magnesium float is _____ the surface - CORRECT ANSWER✔✔Sealing
v v v v v v v v v v v v v v v
, Highway staight edges are used in cutting and filling conctrete surfaces at either _____ _____ or _____ degrees
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to the contruction joints - CORRECT ANSWER✔✔right angles or 45 degrees
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Floating and troweling a concrete slab too soon is likely to cause _____ and _____ - CORRECT ANSWER✔✔
v v v v v v v v v v v v v v v v v
dusting and crazing v v
Removing bleed water by dragging a heavy rubber hose across the slab, or with a squeegee should be done only
v v v v v v v v v v v v v v v v v v v
when water, not ____ is removed - CORRECT ANSWER✔✔paste
v v v v v v v v v
Edging at side forms is most commonly done on - CORRECT ANSWER✔✔sidewalks and drive ways
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Use a pointed trowel with a vertical sawing motion to loosen concrete from the side form before ______ -
v v v v v v v v v v v v v v v v v v
CORRECT ANSWER✔✔edging
v v
An edger is placed _____ on the concrete surface and then ______ _______ slightly in the direction the tool is
v v v v v v v v v v v v v v v v v v v
moved - CORRECT ANSWER✔✔flat and tilted up
v v v v v v v
When edging start at the corner of the slab and apply maximum pressure to ensure that corners will not chip or
v v v v v v v v v v v v v v v v v v v v
spall. t or f - CORRECT ANSWER✔✔false
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Edging and jointing is not required on most floors and should not be done unless specified. t or f - CORRECT
v v v v v v v v v v v v v v v v v v v v
ANSWER✔✔True
v
A fine broom finish - CORRECT ANSWER✔✔Occasionally required for interior flatwork
v v v v v v v v v v
After the waiting period floating is done to - CORRECT ANSWER✔✔all of the above
v v v v v v v v v v v v v
CorrectSolutions A+ v v v
Rigid supports for a straightedge used to strike off concrete can be - CORRECT ANSWER✔✔All of the above
v v v v v v v v v v v v v v v v v
How can workers avoid low spots when using hand-operated straightedges? - CORRECT ANSWER✔✔Place
v v v v v v v v v v v v
concrete about 1 in higher in front of the screed
v v v v v v v v v v
Hand-held vibrating screeds are often useful when striking off concrete with ____ - CORRECT ANSWER✔✔
v v v v v v v v v v v v v v
Wet screeds v
Vibrating screeds should be moved forward as fast as proper consolidation allows to avoid bringing too much
v v v v v v v v v v v v v v v v
mortar to the surface. t or f - CORRECT ANSWER✔✔True
v v v v v v v v v v
On slabs with many protruding pipes, a ____ works better than a ____ ______ for smoothing the surface -
v v v v v v v v v v v v v v v v v v
CORRECT ANSWER✔✔darby and bull floats
v v v v v
Bull floating is done : - CORRECT ANSWER✔✔immediately after screeding
v v v v v v v v v
When using a magnesium bull float, leaving a small unfloated section and watching for bleed water in that
v v v v v v v v v v v v v v v v v
section can help determine if the magnesium float is _____ the surface - CORRECT ANSWER✔✔Sealing
v v v v v v v v v v v v v v v
, Highway staight edges are used in cutting and filling conctrete surfaces at either _____ _____ or _____ degrees
v v v v v v v v v v v v v v v v v
to the contruction joints - CORRECT ANSWER✔✔right angles or 45 degrees
v v v v v v v v v v v
Floating and troweling a concrete slab too soon is likely to cause _____ and _____ - CORRECT ANSWER✔✔
v v v v v v v v v v v v v v v v v
dusting and crazing v v
Removing bleed water by dragging a heavy rubber hose across the slab, or with a squeegee should be done only
v v v v v v v v v v v v v v v v v v v
when water, not ____ is removed - CORRECT ANSWER✔✔paste
v v v v v v v v v
Edging at side forms is most commonly done on - CORRECT ANSWER✔✔sidewalks and drive ways
v v v v v v v v v v v v v v
Use a pointed trowel with a vertical sawing motion to loosen concrete from the side form before ______ -
v v v v v v v v v v v v v v v v v v
CORRECT ANSWER✔✔edging
v v
An edger is placed _____ on the concrete surface and then ______ _______ slightly in the direction the tool is
v v v v v v v v v v v v v v v v v v v
moved - CORRECT ANSWER✔✔flat and tilted up
v v v v v v v
When edging start at the corner of the slab and apply maximum pressure to ensure that corners will not chip or
v v v v v v v v v v v v v v v v v v v v
spall. t or f - CORRECT ANSWER✔✔false
v v v v v v v
Edging and jointing is not required on most floors and should not be done unless specified. t or f - CORRECT
v v v v v v v v v v v v v v v v v v v v
ANSWER✔✔True
v
A fine broom finish - CORRECT ANSWER✔✔Occasionally required for interior flatwork
v v v v v v v v v v
After the waiting period floating is done to - CORRECT ANSWER✔✔all of the above
v v v v v v v v v v v v v
