Slump Study guides, Class notes & Summaries

ACI Concrete Testing Questions and Answers Graded A+ ASTM C31 Making and curing concrete test specimens in the field ASTM C231 Concrete Air Content Test - Pressure Method ASTM C173 Concrete Air Content Test - Volume Method ASTM C172 Sampling Fresh Concrete ASTM C143 Standard Test Method for Slump of Hydraulic-Cement Concrete ASTM C138 Standard Test Method for Density (Unit Weight), Yield, and Air Content (Gravimetric) of Concrete ASTM C1064 Stand...

2. T/F: When the concrete contains large aggregate, the testing technician should wet-sieve the sample before making unit weight tests for use in yield computations.Answer - False 4. T/F: Samples smaller than 28L (1 .) are allowed on routine air content, temperature, and slump tests.Answer - True 7. How do you regulate the rate of discharge of the batch from the revolving truck drum mixer or agitator?Answer - By the rate of revolution of the drum 10. While the technician is checking ...

Concrete Exam 2 Workability of concrete is best defined as: A) ability of the concrete to be mixed, placed, consolidated, and surface finished B) amount of water added to the concrete C) slump of the concrete D) flow ability of the concrete F) stiffness of the concrete - correct answer A Which of the following are mixture design proportioning methods? A) 1:2:3 OR 3:2:1 B) all these above C) Iteration (Trial Batching) method D) ACI 211 Absolute Volume - correct answer B What d...

ACI Test Questions and Answers Guaranteed A+ The total time allowed between obtaining the first and final portions of a composite sample is 15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample 5 minutes Begin molding test specimens within...

CMT FINAL TEST-2023-2024 QUESTIONS AND ANSWERS 100% CORRECTCMT FINAL TEST-2023-2024 QUESTIONS AND ANSWERS 100% CORRECTCMT FINAL TEST-2023-2024 QUESTIONS AND ANSWERS 100% CORRECTCMT FINAL TEST-2023-2024 QUESTIONS AND ANSWERS 100% CORRECT List the sequence of tasks from start of house to frame for a mono slab. - ANSWER-bench and balance / accurate stake / set forms / form board survey / plumbing underslab / plumbing inspection / prep slab and finish form boards / electrical underslab / soil test ...

The total time allowed between obtaining the first and final portions of a composite sample is - 15 minutes When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a composite sample (T or F) - F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - 5 minutes Begin molding test specimens within ______ minutes after obtaining the composite sample - ...

ACI Concrete Field Testing Technician Questions and Correct Answers, With Complete Verified Solution 2024/2025. The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. 3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The tempe...

ACI Concrete Field Testing Technician- Grade I Questions and Correct Answers, With Complete Solution 2024/2025. The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. 3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. 1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The tempe...

ACI- Concrete Field-Testing Technician - Grade 1 Exam Questions and Answers 100% Pass Q1. Start molding specimens for strength tests within 30 minutes after fabricating the composite sample. A. True B. False - Answer- B. False ASTM C172 -Para (4.1.2) - Start molding. specimens for strength tests within 15 min after fabricating the composite sample. Q2. The maximum allowable time between obtaining the first and last portions of the composite sample may not exceed 5 minutes. A. True B...

The sensor of the temperature measuring device shall be submerged a minimum of _____ in. [_____mm] into the freshly mixed concrete. - Answer-3 in. [75 mm] The temperature measuring device shall have a capacity of measuring temperature of freshly mixed concrete to +- _____ degrees F [+- _____ C] throughout a range of _____. - Answer-1 degree F [0.5 C], 30 degrees F to 120 F [0 C to 50 C] The temperature measuring device shall be calibrated _____, or whenever there is a question of _____. - ...