Exam (elaborations)
6 Air Content of Freshly Mixed Concrete by the Volumetric Method Questions and Answers 2024
- Course
- Institution
6 Air Content of Freshly Mixed Concrete by the Volumetric Method
[Show more]
Content preview
6: Air Content of Freshly Mixed Concreteby the Volumetric Method
~ 40. The air content as determined by the volumetric method is reported to the nearest:
A. 0.10%
B. 0.15%
C. 0.20%
D. 0.25%
E. 0.50% - answer D. 0.25%
~ 41. This test method covers determination of the air content of freshly mixed concrete
containing:
A. Relatively dense aggregate only
B. Lightweight aggregate only
C. Air-cooled blast furnace slag only
D. any type of aggregate - answer D. any type of aggregate
~ 42. After an initial meter reading has been recorded, the next meter reading should be
recorded as the final meter reading if this meter reasung has not changed more than
___ from the initial meter reading:
A. 0.1%
B. 0.25%
C. 0.5%
D. 1.0% - answer B. 0.25%
~ 43. After rodding and tapping the final layer, test method C173/C173M requires the
excess concrete be struck off with a:
A. Tamping rod
B. Trowel
C. Strike-off bar
D. Strike-off plate - answer C. Strike-off bar
~ 44. The addition of alcohol to dispel foam after the initial filling of the meter to the zero
mark is:
A. Not permitted
B. Allowable after the rolling procedure to bring the liquid level within the graduated
range if the air content is greater than the 9% range of the meter.
C. Allowable to replace any liquid that leaked from the meter during the inversion and
rolling procedures
D. Mandatory - answer A
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller jopewa. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
70840 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now
