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ACI Certification Ch 7-Procedures for finishing slabs-on-ground Exam Questions and Answers 100% Pass $11.49   Add to cart

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ACI Certification Ch 7-Procedures for finishing slabs-on-ground Exam Questions and Answers 100% Pass

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  • ACI concrete strength technician
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  • ACI Concrete Strength Technician

ACI Certification Ch 7-Procedures for finishing slabs-on-ground Exam Questions and Answers 100% Pass Rigid supports for a straightedge used to stick off concrete can be: a. temporary pipes or rails b. edge forms c. the top of the edge of adjacent hardened concrete d. all of the above - ANSWE...

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  • November 18, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ACI concrete strength technician
  • ACI concrete strength technician
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SophiaBennett
ACI Certification Ch 7-Procedures for
finishing slabs-on-ground Exam
Questions and Answers 100% Pass

Rigid supports for a straightedge used to stick off concrete can be:


a. temporary pipes or rails


b. edge forms


c. the top of the edge of adjacent hardened concrete


d. all of the above - ANSWER✔✔-d. all of the above


How can workers avoid low spots when using hand operated straightedges? -

ANSWER✔✔-Make sure there is always enough concrete ahead of the straightedge.


Hand-held vibrating screeds are often useful when striking off concrete with ________

________. - ANSWER✔✔-wet screeds


true or false


vibrating screeds should be moved forward as fast as proper consolidation allows to

avoid bringing too much mortar to the surface. - ANSWER✔✔-true




Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 1/7

, On slabs with many protruding pipes, a ________ works better than a ________

________ for smoothing the surface. - ANSWER✔✔-darby ; bull float


Bull floating is done:


a. before screeding


b. immediately after screeding


c. immediately after bleed water has evaporated


d. immediately after hand floating - ANSWER✔✔-b. immediately after screeding


when using a magnesium bull float, leaving a small unflawed section and watching for

bleed water in the section can help determine if the magnesium float is _________ the

surface. - ANSWER✔✔-sealing


Highway straightedges are used in cutting and filling concrete surfaces at either ______

______ or ____ degrees to the construction joint. - ANSWER✔✔-right angles; 45


Floating and troweling a concrete slab too soon is likely to cause ________ and

________. - ANSWER✔✔-dusting; crazing


Removing bleed water by dragging a heavy rubber hose across the slab, or with a

squeegee should be done only when water, not _______ is removed. - ANSWER✔✔-

past


Edging at side forms is most commonly done on:



Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 2/7

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