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The method of determining air content of concrete containing lightweight aggregate is the pressure method. A. True B. False : B. False Is the following statement true of false? When making a test cylinder from concrete being used in construction , the field technician must also measure the slump of the concrete. A. True B. False : A. True 2 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. What should the technician do? A. Measure the slump directly over the center of the original base of the mold B. Measure the slump at the average distance above the original center C. Disregard the test and retest on another portion of the sample D. None of the above : C. Disregard the test and retest on another portion of the sample Preparation of specimens for transport includes: A. Determination that at least 8 hour has elapsed since final set B. Ensuring specimens have not been demolded C. Allowing the specimen to air dry for at lease 4 hour : A. Determination that at least 8 hour has elapsed since final se