Aci certification exam 4 - Study guides, Revision notes & Summaries

When the concrete contains large aggregate, the testing technician should wet-sieve the sample before making unit weight tests for use in yield computations.Answer - False 4. T/F: Samples smaller than 28L (1 .) are allowed on routine air content, temperature, and slump tests.Answer - True 7. How do you regulate the rate of discharge of the batch from the revolving truck drum mixer or agitator?Answer - By the rate of revolution of the drum 10. While the technician is checking the slump o...

ACI Certification Exam Questions and Answers 2024 2. T/F: When the concrete contains large aggregate, the testing technician should wet-sieve the sample before making unit weight tests for use in yield computations. False 4. T/F: Samples smaller than 28L (1 .) are allowed on routine air content, temperature, and slump tests. True 7. How do you regulate the rate of discharge of the batch from the revolving truck drum mixer or agitator? By the rate of revolution of the drum ...

ACI Certification Exam | Questions and Correct Answers | Latest Update 2024/2025 2. T/F: When the concrete contains large aggregate, the testing technician should wet-sieve the sample before making unit weight tests for use in yield computations. - Answer -False 4. T/F: Samples smaller than 28L (1 .) are allowed on routine air content, temperature, and slump tests. - Answer -True 7. How do you regulate the rate of discharge of the batch from the revolving truck drum mixer or agitator? -...

ACI Certification Exam Questions with Complete Solutions | Verified & Updated 2024 ASTM C172 covers sampling from stationary, paving and truck mixers, and from agitating and non-agitating equipment used to transport central-mixed concrete. - Answer ️️ -True When the concrete contains large aggregate, the testing technician should wet-sieve the sample before making unit weight tests for use in yield computations. - Answer ️️ -False Samples should be taken before 10% or after 90% of ...

ACI Certification Exam Questions and Answers 100% Pass The pressure of method of determining air content can be used on containing _____ _____ aggregate. - Answer- Relatively Dense The pressure method of determining air content cannot be used on concrete containing the following types of aggregate: ______,______,______. - Answer- Lightweight, air cooled blast furnace slag, or aggregates of high porosity. What is the minimum allowable capacity of the measuring bowl used in this test meth...

ACI Certification Exam Questions with Complete Solutions | Verified & Updated 2024 ASTM C172 covers sampling from stationary, paving and truck mixers, and from agitating and non-agitating equipment used to transport central-mixed concrete. - Answer ️️ -True When the concrete contains large aggregate, the testing technician should wet-sieve the sample before making unit weight tests for use in yield computations. - Answer ️️ -False Samples should be taken before 10% or after 90% of ...

ACI Certification Exam Questions and Answers 100% Pass The pressure of method of determining air content can be used on containing _____ _____ aggregate. - Answer- Relatively Dense The pressure method of determining air content cannot be used on concrete containing the following types of aggregate: ______,______,______. - Answer- Lightweight, air cooled blast furnace slag, or aggregates of high porosity. What is the minimum allowable capacity of the measuring bowl used in this test meth...

Concrete ACI Certification Exam - Questions and Answers What must be done if the concrete drops below the top of the Slump mold while the top layer is being rodded? Add additional concrete to keep an excess of concrete above the top of the mold at all times Rod each layer ___ times uniformly over the cross section with the rounded end of the rod. 25 The slump mold is filled in _____ layers. 3 layers True or false the slump mold should be in a dry condition before beginning the test? False. For...

ACI Certification Exam Questions and Answers 100% Pass 2. T/F: When the concrete contains large aggregate, the testing technician should wet- sieve the sample before making unit weight tests for use in yield computations. - ANSWER-False 4. T/F: Samples smaller than 28L (1 .) are allowed on routine air content, temperature, and slump tests. - ANSWER-True 7. How do you regulate the rate of discharge of the batch from the revolving truck drum mixer or agitator? - ANSWER-By the rate of revol...

ACI Certification Exam Questions and Answers 100% Pass The pressure of method of determining air content can be used on containing _____ _____ aggregate. - Answer- Relatively Dense The pressure method of determining air content cannot be used on concrete containing the following types of aggregate: ______,______,______. - Answer- Lightweight, air cooled blast furnace slag, or aggregates of high porosity. What is the minimum allowable capacity of the measuring bowl used in this test meth...