ACI AGGREGATE BASE TESTING TECHNICIAN EXAM QUESTIONS AND VERIFIED ANSWERS
12 views 0 purchase
Course
ACI
Institution
ACI
ACI AGGREGATE BASE TESTING TECHNICIAN EXAM QUESTIONS AND VERIFIED ANSWERS
(D75) Sampling should be done very carefully because it is as important as _____.
Testing
The _____ or _____ should obtain samples related to the control of production at the source or related to the control of the work ...
aci aggregate base testing technician exam questio
Written for
ACI
All documents for this subject (801)
Seller
Follow
AcademicSuperScores
Reviews received
Content preview
ACI AGGREGATE BASE TESTING TECHNICIAN EXAM QUESTIONS
AND VERIFIED ANSWERS
(D75) Sampling should be done very carefully because it is as important as _____.
Testing
The _____ or _____ should obtain samples related to the control of production at
the source or related to the control of the work at the site.
Manufacturers, contractors
Samples to be tested for quality should, when possible, be obtained from the
_____.
Finished product
(D75) Sampling containers for aggregate samples should be made so that the
contents will not be lost, ____ or ___.
Contaminated or damaged
The reason it is difficult to obtain unbiased samples from stockpiles is because
coarse and fine particles become segregated. True or False?
True
____ can help in obtaining accurate samples from stockpiles.
Power equipment
(D75)What are the four sources from which field samples can be obtained?
Conveyer belts
Transport units
Roadways
Stockpiles
Not using correct procedures for reducing samples to testing size can result in a
_____.
Nonrepresentative sample
T or F
Generally, small samples are most representative of the total supply.
False
, T or F
There are some instances in which differences between test samples can't be
avoided.
True
What determines whether large-size particles are equally distributed among test
samples that have been reduced?
Laws of chance
Which method of reducing a sample must be used with fine, dry aggregate?
(C702)
Method A, mechanical splitter
What must be done to the sample if method B or C is used? (C702)
Moisten the sample
What do you do if the sample is wet and Method A is to be used? (C702)
Dry the sample
Method C, miniature stockpiling, cannot be used for which type of aggregate?
(C702)
Coarse aggregate, or mixtures of coarse and fine aggregate
Which method involves the use of chutes, holding receptacles, and hoppers or
straight-edged pans? (C702)
Method A
Sample splitters must have how many equal width chutes for coarse aggregate?
(C702)
8
Sample splitters must have how many equal width chutes for fine aggregate?
(C702)
12
In Methods B and C the sample is shoveled into a ____ before it is flattened and
divided. (c702)
conical pile
When using Method B, what is an alternate surface that can be used when
reducing the sample? (C702)
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 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 these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller AcademicSuperScores. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $8.99. You're not tied to anything after your purchase.
