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Guide for Concrete Floor and Slab Construction


Quiz Questions

1. How many classes of floors are constructed with monolithic concrete?
One
Three
Five
Seven
2. Guide for Concrete Floor and Slab Construction

The picture above is that of a:
Polyethylene film
Slab on grade
Floor
None of the above
3. Reinforcement restrains movement resulting from slab shrinkage and can __________ the number of random cracks experienced.
Increase
Decrease
4. In composite construction, the composite section (concrete slab and steel beams) will work together to support any loads placed on the floor surface ___________ the concrete has hardened.
Before
After
5. When locating construction joints in composite slabs on metal deck is that the joint location can influence deflection of the floor framing near the __________ .
Middle
Joint
6. ______________ is the process of removing entrapped air from freshly placed concrete.
Consolidation
Compaction
7. Placeability and finishability are easily measured.
True
False
8. Mixers that produce a volume of concrete requiring less than _________ bag of cement should not be used.
One
Two
Three
Four
9. Any finishing operation performed while there is excess moisture or bleed water on the surface will cause:
Segregation
Dusting
Consolidation
None of the above
10. When properly applied and maintained, burlap and other wet coverings provide a continuous supply of uniformly distributed on the slab surface.
Stress
Heat
Moisture
Load
11. It is important that edges of joints be cured to ensure maximum concrete ____________ and further reduce the potential for curling.
Stability
Even surface
Strength
None of the above
12. Plastic-shrinkage cracks are _____________ cracks that can occur before final finishing on days when wind, low humidity, and high concrete and ambient temperatures occur.
Short
Big
13. Which one of the following can be a cause of low strength concrete?
Too much water
Too little water
Both
14. Dusting is another aspect of _________ concrete at the surface of a floor or slab.
Strong
Weak
15. Which of the following is more subject to flaking?
Aggregates with flat surfaces
Aggregate with round surfaces
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