ACI Grade 1 - Written Test Questions and Answers | Verified & Updated 2024

ACI Grade 1 - Written Test Questions and Answers | Verified & Updated 2024 Sampling by this practice covers procedures for obtaining representative samples, on which tests are to be performed to determine ___ with quality requirements of the specifications listed under which the concrete is furnished (C172/C172M-17 = Sampling Freshly Mixed Concrete) - Answer ️️ -Compliance This practice covers sampling from five types of equipment which are... (C172/C172M-17 = Sampling Freshly Mixed Concrete) - Answer ️️ -Stationary, paving, revolving drum, continous, and open top mixers The elapsed time between obtaining the first and final portions of a composite sample shall not exceed... (C172/C172M-17 = Sampling Freshly Mixed Concrete) - Answer ️️ -15 mins T or F: Portions of a composite sample shall be thoroughly remixed before beginning tests on the sample (C172/C172M-17 = Sampling Freshly Mixed Concrete) - Answer ️️ -True Start tests for slump, temperature, and air content within ___ after obtaining the final portion of the composite sample (C172/C172M-17 = Sampling Freshly Mixed Concrete) - Answer ️️ -5 Start molding specific ends for strength tests within ___ after fabricating the composite sample (C172/C172M-17 = Sampling Freshly Mixed Concrete) - Answer ️️ -15 The concrete sample must be protected from contamination and ... (C172/C172M- 17 = Sampling Freshly Mixed Concrete) - Answer ️️ -Rapid evaporation (also sun and wind) The minimum size sample for making strength test specimens is ... (C172/C172M- 17 = Sampling Freshly Mixed Concrete) - Answer ️️ -28 L (aka 1 ft3)