Aci slump test Study guides, Class notes & Summaries

ACI Concrete Exam Questions And Answers Graded A+ 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?...

ACI Concrete Field Testing Technician- Grade I Exam 2023/2024 Questions and with Correct Answers. The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. - ANSWER 3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. - ANSWER 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The te...

ACI Certification Exam Questions With Correct Answers Latest Updated 2024/2025 | Scored A+. 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?Answe...

ACI Concrete Field Testing Technician Grade 1 Collecting a representative sample of concrete to be tested is as important as executing the test methods to obtain - correct answer accurate results This practice covers sampling from 4 types of equipment: - correct answer stationary, paving, revolving truck, continuous The elapsed time between obtaining the first and final portions of a composite sample shall not exceed - correct answer 15 minutes Portions of a composite sample shall be...

ACI CONCRETE FIELD TESTING TECHNICIAN EXAM QUESTIONS AND ANSWERS LATEST UPDATED 2024/2025 | RATED A+. The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. - Correct Answer - 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The temperature measuring device shall be calibrated _____, or whenever there is a question of _____. - Correct Answer - Annually, accuracy The temp...

ACI- Concrete Field-Testing Technician - Grade 1 (Working knowledge of seven basic field tests) latest update 2024 Q1. Start molding specimens for strength tests within 30 minutes after fabricating the composite sample. A. True B. False - CORRECT ANSWER-B. False ASTM C172 -Para (4.1.2) - Start molding. specimens for strength tests within 15 min after fabricating the composite sample. Q2. The maximum allowable time between obtaining the first and last portions of the composite samp...

ACI Concrete Field Testing Technician – Grade I - Q & A The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. 3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The temperature measuring device shall be calibrated _____, or whene...

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...

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 revolution of the drum 10. While the technician is checking ...

ACI Certification Exam Questions With Correct Answers Latest Updated 2024/2025 | Graded A+. 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?Answe...