ACI Concrete bundled!

ACI Concrete Strength Testing Technician - Test Method C78/C78M True - correct answer T/F: Hand-operated machines having pumps that do not provide a continuous loading in one stroke are not permitted. Third-point loading - correct answer Bearing blocks used int he ___ method must ensure that for...

ACI Concrete Strength Testing Technician - Test Method C39/C39M False; have a density of more than 800 kg/m3 (50 lb/ft3) - correct answer This test method measures the compressive strength of cylindrical concrete specimens that have a density of less than 800 kg/m3 (50 lb/ft3). True or False? Fa...

ACI Concrete Strength Testing Technician - Practice C1231/C1231MSupplier, user - correct answer When qualification tests of unbounded pads are required, they are performed by the ______ or ______. False - correct answer This standard practice establishes a maximum number of pad reuses that may no...

ACI Concrete- Section 5The pressure method of determining air content can be used on concrete containing __________. - correct answer Relatively dense The pressure method of determining air content cannot be used on concrete containing the following types of aggregate: ________, ________, _______...

ACI Concrete- Section 4The diameter of the tamping rod used in this test method is ________. - correct answer 16 mm (5/8") + or - 2 mm (1/16") What is the required shape of the tamping end of the rod - correct answer Rounded to Hemispherical tip What is the required minimum frequency of the ...

ACI Concrete- Section 2Sampling by the practice covers procedures for obtaining representative samples, on which tests are to be performed to determine _________ with quality requirements of the specifications under which the concrete is furnished. - correct answer Compliance This practice covers...

ACI Concrete I**What Must occur before a sample of concrete can be take from a revolving drum mixer? - correct answer All Water and admixtures must be added to the mixer. ** When sampling from a stationary or revolving drum mixer, what is collected and when is it taken during discharge? ** - corr...

ACI Concrete Flatwork Finishing CertificationWhen is air-entrained concrete used? - correct answer When it will be exposed to freezing and thawing cycles How is concrete sold? Sold in what units? - correct answer By volume in cubic yards or cubic meters Concrete should be completely discharged...

ACI- Concrete Field-Testing Technician - Grade 1Q1. Start molding specimens for strength tests within 30 minutes after fabricating the composite sample. A. True B. False - correct answer B. False ASTM C172 -Para (4.1.2) - Start molding. specimens for strength tests within 15 min after fabr...

ACI Concrete Field Testing Technician-Vocabularyadmixture - correct answer A material other than water, aggregates, cementitious materials, and fiber reinforcement, used as an ingredient of a cementitious mixture to modify its freshly mixed, setting, or hardened properties and that is added the batc...

ACI Concrete Field Testing Technician- Grade IThe temperature of concrete may be measured in a wall form. True or False - correct answer True The sensor of the temperature measuring device shall be submerged a minimum of _____ in. into the freshly mixed concrete. - correct answer 3 in. Portion...

ACI Concrete Field Testing Technician- Grade IThe sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. - correct answer 3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of fresh...

ACI Concrete Field Testing Technician Grade 1 Collecting a representative sample of concrete to be tested is as important as executing the test methods to obtain - correct answer accurate results This practice covers sampling from 4 types of equipment: - correct answer stationary, paving, revol...

ACI Concrete field testing technician- grade 1 sample examThe method of determining air content of concrete containing lightweight aggregate is the pressure method. True or False - correct answer False When making a test cylinder from concrete being used in construction, the field technician must...

ACI Concrete Field Testing Technician - Grade 1 (Canada)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. - correct answer procedures, location and sample size The p...

ACI Concrete Field Technician testCollecting a representative sample of concrete to be tested is as important as executing the test methods to obtain - correct answer Accurate results The four types of equipment for sampling are - correct answer Stationary mixers, paving mixers, revolving truck m...

ACI Concrete Field 1 Test Practice (Sampling Freshly Mixed Concrete)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 under which the concrete is furnished. - correct a...

ACI Certification Practice ExamFor 4x8 cylinders, how many layers and rod strokes to properly consolidate the concrete? - correct answer 2 layers, 25 strokes For 6x12 cylinders, how many layers and rod strokes to properly consolidate the concrete? - correct answer 3 layers, 25 rod strokes Afte...

ACI Certification Practice ExamFor 4x8 cylinders, how many layers and rod strokes to properly consolidate the concrete? - correct answer 2 layers, 25 strokes For 6x12 cylinders, how many layers and rod strokes to properly consolidate the concrete? - correct answer 3 layers, 25 rod strokes Afte...

ACI Certification ExamASTM C172 covers sampling from stationary, paving and truck mixers, and from agitating and non-agitating equipment used to transport central-mixed concrete. - correct answer True When the concrete contains large aggregate, the testing technician should wet-sieve the sample b...

ACI Certification: Concrete Flatwork Tech and Flatwork Finisher (2nd Ed.) finishing foreman - correct answer (Ch. 1, #1) It is important that the _______ _______ read and understand project specifications 100 - correct answer (Ch. 1, #2) If the crew can place and finish 100yd^3 (m^3) of concrete...

ACI ASTM C138ASTM C138 is used for what - correct answer test method for Density (unit weight), Yield, and Air Content(gravimetric) of concrete A lower density may indicate what - correct answer 1) materials have changed [lower specific gravity], 2) higher water content, 3) higher air content, 4)...

ACI ASTM C 138-unit weight of concretewhen 3 1/2 in. slump concrete is consolidated in a 0.5 cubic foot measure, consolidation is accomplished by? a. either rodding or vibration b. rodding c. vibration - correct answer b. rodding what is the air content (in percent) of the following concrete b...

ACI 318-14 Concrete CodeWhat is the minimum thickness of concrete bearing walls - correct answer 5 and one half inches What is the maximum amount of fly ash that can be added to concrete exposed to deicing chemicals - correct answer 25 percent You are doing a concrete placement of 750 cubic ya...

ACI - Concrete Strength Testing Technician (CSTT)Standard Practice for Capping Cylindrical Concrete Specimens - correct answer ASTM C617 Procedures for capping enable concrete cylinders and cores to meet C617's practice requirements for___ and___. C617 - correct answer perpendicularity, planen...

Aci concrete strength testing technician CP-19 23rd Ed.These procedures for capping enable concrete cylinders and cores to meet the standard practices requirements for __________ and __________. - correct answer Planeness , perpendicularity Equipment needed for the capping process includes cappin...

PE 2024 - Concrete/ACIACI section that has restressed tendon properties including maximum permissible stresses, tendon stresses at failure, and losses. - correct answer ACI 20.3 ACI section that has maximum allowable tensile and compressive stresses for concrete - correct answer ACI 24.5 ACI s...

ACI Strength Exam Study GuideName the two allowable materials with with concrete cylinders may be capped with. - correct answer I. High-strength gypsum II. Sulfur mortar III. Neat cement paste Name the three materials with with cylinders may be capped against. - correct answer I. Glass II. Met...