Exam (elaborations)
ACI Certification: Sample Written Exam Questions from Booklet Exam/21 Q’s and A’s
ACI Certification: Sample Written Exam Questions from Booklet Exam/21 Q’s and A’s
[Show more]
Content preview
ACI Certification: Sample Written ExamQuestions from Booklet Exam/21 Q’s and
A’s
False - -The method of determining air content containing lightweight
aggregate is the pressure method. True or False?
-True - -When making a test cylinder from concrete being used in
construction, the field technician must also measure the slump of the
concrete. True or False?
-Disregard the test and retest on another portion of the sample. - -While the
technician is checking the slump of the concrete, there is a decided falling
away or shearing off of the concrete from one side of the sample. What
should the technician do?
-determination that at least 8 hours has elapsed since final set. - -
Preparation of specimens for transport includes:
-4.8% - -If the aggregate correction factor for a given source of fine and
coarse aggregate is found to be 0.2% in a pressure air meter, and an air
content value of 5.0% is read on the gauge of the same air meter containing
concrete with the same aggregate, what is the correct air content?
-Protected from jarring, moisture loss, and freezing. - -Strength test
specimens transported from the field to the testing laboratory must be:
-5 minutes - -Tests for slump and air content must be started within [ ] after
obtaining the final portion of the composite sample.
-1 cubic foot - -The minimum size for samples to be used strength test is:
-False - -After the strike-off of the measure used to determine density, a
small quantity of concrete may be added to correct a deficiency. True of
False?
-60 to 80 degrees Fahrenheit - -For normal strength concretes, what
temperature range must be maintained for test cylinders during initial
curing?
-False - -When the concrete contains large aggregate, the testing technician
should wet-sieve the sample before making density (unit weight) tests for
use in yield computations. True or False?
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 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 Victorious23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.09. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now