ACI

ACI Aggregate Testing Technician - Level 1 - Section 7 For most purposes, this test method measures the moisture in a test sample more reliably than the test sample ______ . Can be made to represent the aggregate supply A ventilated controlled-temperature oven should be used for the test when the aggregate is _____ by heat or when a more _____ measurement is required. Altered, refined· (or their equivalents) It takes longer for moisture to travel from the interior of a large particle of ...

ACI Aggregate Testing Technician - Level 1 - Section 6 Relative density (specific gravity) (OD) is used when the aggregate is ____ while relative density (specific gravity) (SSD) is used when the aggregate is ______ . Oven Dry, Saturated Surface-Dry ____ does not include the pore space within particles that is accessible to water.

ACI Aggregate Testing Technician - Level 1 - Section 5 The method is appropriate for coarse but not ____ aggregate. Lightweight SSD refers to _____ - _____ - _____ condition. saturated-surface-dry To calculate the volume of aggregate in a mixture (including the voids between the particles) is t

ACI Aggregate Testing Technician - Level 1 - Section 5 The method is appropriate for coarse but not ____ aggregate. Lightweight SSD refers to _____ - _____ - _____ condition. saturated-surface-dry To calculate the volume of aggregate in a mixture (including the voids between the particles) is to determine the ______. Bulk specific gravity When the mass of the water within the voids after 24-hour absorption is included in the volume of aggregate, you are calculating the ______. Relative...

ACI Aggregate Testing Technician - Level 1 - Section 3 During this test method, water-soluble materials, clay particles, and incidental aggregate particles are removed from the aggregate. True or False? True Of the two possible test procedures, Procedure A is to be used unless otherwise specified. True or False? True In one of the methods only ____ is used for washing and in the other method a ____ is used as well. Water, wetting agent The purpose of using a wetting agent is to ____ fin...

ACI Aggregate Testing Technician - Level 1 - Section 2 Unless the procedures recommended here are carried out precisely, a ____ sample can result. Nonrepresentative Generally speaking, small samples are most representative of the total supply. True or False? False; large samples are more representative There are some instances in which ____ between the test samples can't be avoided. Differences

ACI Aggregate Testing Technician - Level 1 - Section 1. AASHTO T 2 / ASTM D75 Four purposes for which aggregates are sampled. a) for the acceptance or rejection of materials. b) for the control of operations at the site of use. c) for preliminary investigation of the potential source of supply. d) for the control of the product at the source of supply AASHTO T 2 / ASTM D75 Sampling should be done very carefully because it is as important as _____. Testing AASHTO T 2 / ASTM D75 A var...

ACI CONCRETE FIELD TESTING TECHNICIANS GRADE 1 (IN CANADA), WITH COMPLETE SOLUTION. The standard practice describes the _____ _____ and _____ required to obtain a representative sample of fresh concrete and to assess its tractability to the structure it represents. procedures, location and sample size The procedures used in sampling shall include the use of every precaution that will assist in obtaining samples that are truly representative of the _____and _______ of the concrete. nature a...

ACI Concrete Strength Testing Technician CP-19 (14) , With Complete Solution 2024/2025. These procedures for capping enable concrete cylinders and cores to meet the standard's requirements for ________ and _________. Planeness, perpendicularity Equipment needed for the capping process includes capping _____ , _____devices, and ______ pots. Plates, alignment, melting Plates for neat cement and high strength gypsum plaster caps should be made of _____, _____, _____ or _____. Glass, metal ...