Coarse aggregates - Study guides, Class notes & Summaries

ACI Test Exam Questions With 100% Correct Answers 2024/2025 The total time allowed between obtaining the first and final portions of a composite sample is - answer15 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) - answerF Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - answer5 minutes Begin molding...

The total time allowed between obtaining the first and final portions of a composite sample is Correct Answer 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) Correct Answer F Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample Correct Answer 5 minutes Begin molding test specimens within ______ minutes ...

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 Certification Exam Questions With Correct Answers Latest Updated 2024/2025 | Rated A+. 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 the slump of the concrete, there is a decided falling away or shearing off of the concrete from one si...

ACI Test Exam Questions With 100% Correct Answers 2024/2025 The total time allowed between obtaining the first and final portions of a composite sample is - answer15 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) - answerF Tests for slump, temperature, and air content must begin within ______ minutes after obtaining the composite sample - answer5 minutes Begin molding...

SCSC EXAM ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) | ALREADY GRADED A+ Five soil forming factors active factors - ANSWER- -climate -biological activity Five soil forming factors passive factor - ANSWER- -parent material -time Five soil forming factors modifying factor - ANSWER- -topography (relief) relief - ANSWER- topography 6 key roles of soil - ANSWER- - medium for plant growth (nutrients, support, water, O2) - system for water supp...

ACI Aggregate Testing Technician Exam Questions and Answers 100% Pass Performance Checklist: Sampling of Aggregates: Flowing Aggregate Stream (Bins or Belt Discharge) 5 steps - Answer-1. Use a device that will hold the required amount of material without overflowing. 2. Take each increment from the entire cross section of the material discharge stream 3. Obtain a minimum of three approximately equal increments. 4. Combine the increments to form a field sample. 5. Ensure that the size o...

CSM Exam 2 Review 2024 Questions & Answers Rated 100% Correct!!

Stockpiles of aggregate shall be maintained in a well-drained condition in order to: correct answers Minimize Free Water Content Coarse aggregate stockpiles must be sprinkled for at lest how many hours prior to batch for FDOT? correct answers 24 Free moisture of the aggregate means: correct answers Moister on the surface of an aggregate that is above and beyond the absorbed moister in the aggregate. If the moister test is done other than by the cook-out method, how often shall the other...

PCI Quality Control Technician Level 1 - Chapter 3 Study Guide Questions With Complete Solutions You will need early strength from a concrete mixture design in order to strip the product as soon as possible. What type of cement should you consider and what characteristics make it a good choice? ASTM C150 Type III cement is used when early strength is desired. It is ground finer than the other cements and will react with water faster. Fine and coarse aggregates should generally conform to ...