ACI Certification- Concrete Field Testing
Technician Grade 1 CP-1 (12) /159 Questions And
Answers (A+)
Quiz :ASTM C1064 - Answer :Standard Test Method For Temperature of
Freshly Mixed Hydraulic-Cement Concrete
Quiz :The sensor of the temperature measuring device shall be submerged a
minimum of ______ inches into the freshly mixed concrete. - Answer :3"
Quiz :The temperature measuring device shall have a capacity of measuring
temperature of freshly mixed concrete to ± ______ °F throughout a range of
____________. - Answer :1 degree, 30 degrees to 120 degrees
Quiz :The temperature measuring device shall be calibrated ______ , or
whenever there is a question of ______ . - Answer :Annually, accuracy
Quiz :The temperature of concrete may be measured in a wheelbarrow. True
or False? - Answer :True
Quiz :The temperature of concrete may be measured in a wall form. True or
False? - Answer :True
Quiz :What must be done to the sample container prior to sampling the
concrete? - Answer :Dampen with water
Quiz :What must be done to the concrete surrounding the temperature
measuring device after the device is submerged in the fresh concrete? -
Answer :Close off air voids by gently pressing the concrete around the device
Quiz :How long must the temperature measuring device remain in the freshly
mixed concrete? - Answer :minimum of two minutes, maximum of five
minutes
Quiz :The temperature of the concrete is reported to the nearest ______ °F -
Answer :1 degree
Quiz :A maximum temperature of freshly mixed concrete is specified in ASTM
C1064. True or False? - Answer :False
, Quiz :ASTM C172 - Answer :Standard Practice for Sampling Freshly Mixed
Concrete
Quiz :Sampling by this method is required when tests are to be made to
determine _____ with specification requirements. - Answer :Compliance
Quiz :This method covers sampling from four types of mixers, which are _____
, _____ , _____ , and _____ . - Answer :Stationary mixers, paving mixers,
revolving drum mixers and open top mixers
Quiz :The maximum allowable time between obtaining the first and final
portions of a composite sample is _____ minutes. - Answer :15
Quiz :Portions of a composite sample shall be thoroughly remixed before
beginning tests on the sample. True or False? - Answer :True
Quiz :The maximum elapsed time allowed between obtaining the final portion
of the composite sample and beginning the tests for slump, temperature, and
air content is _____ minutes. - Answer :5
Quiz :The molding of strength test specimens shall begin within _____ minutes
after fabricating the composite
sample. - Answer :15
Quiz :The concrete sample must be protected from contamination and _____.
- Answer :Rapid evaporation
Quiz :The minimum size sample for making strength test specimens is _____. -
Answer :1 cubic foot
Quiz :When sampling from a stationary mixer, the batch must be sampled at
_____ or more regularly spaced intervals during discharge of the middle
portion of the batch. - Answer :2
Quiz :The composite sample for a paving mixer must represent a minimum of
_____ different portions of the batch of concrete taken from the pile after
discharge. - Answer :5
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 HELLENAH. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.75. You're not tied to anything after your purchase.
