ACI Test Sample Questions and Answers 100% Pass

ACI Test Sample Questions and Answers 100% Pass The Method of determining air content of concrete containing lightweight aggregate is the pressure method. True or False - Answer- False When making a test cylinder from concrete being used in construction, the field technician must also measure the slump of the concrete. - Answer- True While the technician is checking the slump of the concrete, there is a decided falling away or shearing off of concrete from one side of the sample. Wshat should the technician do? - Answer- Disregard the test and retest on another portion of the sample Preparation of specimens for transport includes - Answer- Determination that at least 8 h has elapsed since final set If the aggregate correction factor for a given source of fine and coarse aggregate is found to be .2% in a pressure air meter, and an air content value of 5.0% is read on the gage of the same air meter containing concrete with the same aggregate, what is the correct air content in %. - Answer- 4.8 Strength test specimens transported from the field to the testing laboratory must be - Answer- Protecting from jarring Strength test specimens transported from the field to the testing laboratory must be - Answer- Protecting from moisture loss Strength test specimens transported from the field to the testing laboratory must be - Answer- Protecting from freezing