Aci concr - Study guides, Class notes & Summaries

ACI Concrete Field-Testing Technician - Grade 1 Exam Review | 100% Correct Answers | Verified | Latest 2024 Version

ACI Concrete Strength Technician Questions and Answers Already Passed What is ASTM C1231? Standard Practice for use of Unbonded Caps in determination of compressive strength of hardened cylindrical concrete specimens (C1231) The height (cavity) of the metal retaining ring must be (25 +/- 3mm) (C1231) If the retaining ring is greater than 4in (100mm) it must be at least __ thick. If it is less than 4in, it must be at least __ thick. .47 in (12mm) and .35in (9mm) (C1231) Bearing sur...

ACI Concrete end of Chapter Questions (Answers)

ACI Concrete Strength Testing Technician CP-19 Questions with Complete solutions

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 Questions with Complete Solutions

Q1. Start molding specimens for strength tests within 30 minutes after fabricating the composite sample. A. True B. False - 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 sample may not exceed 5 minutes. A. True B. False - B. False ASTM C172 - Para (4.1)- The elapsed time shall not exceed 15 min. between obta...

ACI Concrete Field Testing Technician- Grade I study guide The sensor of the temperature measuring device shall be submerged a minimum of in. [ mm] into the freshly mixed concrete. - 3 in. [75 mm]

ACI CONCRETE FIELD TESTING TECHNICIAN- GRADE I