ACI Flatwork Finisher Practice Questions - ACI Concrete Flatwork Finisher Certification Exam - ACI Flatwork Finisher Practice Questions - ACI Concrete Flatwork Finisher Certification Exam

Question 1

You arrive on site and the subgrade is bone-dry and dusty. Before the concrete arrives, what should you do?

Start placing immediately to avoid delay Moisten (dampen) the subgrade so it does not pull water from the mix Sprinkle dry cement on the subgrade for bond Cover the subgrade with curing compound

Correct Answer:

Moisten (dampen) the subgrade so it does not pull water from the mix

Question 2

A vapor retarder (10-mil polyethylene) is being installed directly under an interior slab that will receive vinyl flooring. Where should the concrete be placed?

On a sand cushion placed over the vapor retarder Directly on top of the vapor retarder With the vapor retarder placed on top of the fresh concrete Only after the vapor retarder has been perforated for drainage

Correct Answer:

Directly on top of the vapor retarder

Question 3

A ready-mix truck arrives with a 6-inch slump for a 4-inch interior slab. The driver offers to add water to loosen the mix for easier placement. What is the correct action?

Accept the water addition as long as it stays below 10 gallons Reject the water addition unless it is authorized and the revised w/cm stays within the mix design Add water yourself at the point of discharge after the truck leaves Let the finishers add water at the surface during floating

Correct Answer:

Reject the water addition unless it is authorized and the revised w/cm stays within the mix design

Question 4

What is the single most important rule for timing the first float pass on a freshly screeded slab?

Float immediately after screeding while the surface is still wet Wait until all bleed water has disappeared from the surface Float once the concrete will support a person leaving a 1/2-inch footprint Float only after saw cuts have been made

Correct Answer:

Wait until all bleed water has disappeared from the surface

Question 5

Which tool is pulled across the slab right after the screed to embed coarse aggregate and close the surface before bleeding begins?

Hand trowel Bull float Edger Groover

Correct Answer:

Bull float

Exam overview

About this Exam

Prepare with the ACI Flatwork Finisher Practice Questions - ACI Concrete Flatwork Finisher Certification Exam practice quiz. This question bank includes 100 questions covering slab, concrete, flatwork, finisher, and interior. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ACI Flatwork Finisher Practice Questions - ACI Concrete Flatwork Finisher Certification Exam

This practice set contains 100 questions from the matching question bank and focuses on slab, concrete, flatwork, finisher, and interior. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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About this Exam

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ACI Flatwork Finisher Practice Questions - ACI Concrete Flatwork Finisher Certification Exam

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