Concr - Study guides, Class notes & Summaries

ACI Certification - Concrete Field Testing Technician - Grade 1 - Test Sample Written Exam Questions - CP-1(17) with 100% Correct Answers The Method of determining air content of concrete containing lightweight aggregate is the pressure method. True or False? - Answer- False When making a test cylinder from concrete being used in construction, the field technician must also measure the slump of the concrete. True or False? - Answer- True While the technician is checking the slump of the ...

1 CONCRETE BATCH PLANT OPERATOR EXAM (FDOT) | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Stockpiles of aggregate shall be maintained in a well-drained condition in order to: Correct Answer: Minimize Free Water Content Coarse aggregate stockpiles must be sprinkled for at lest how many hours prior to batch for FDOT? Correct Answer: 24 Free moisture of the aggregate means: Correct Answer: Moister on the surface of an aggregate that is above and beyond the absorbed m...

Concrete Batch Plant Operator EXAM QUESTIONS AND ANSWERS 100 % PASS SOLUTION A+ GRADE

CSLB Concrete C8 License Practice Test #2 Already Passed The maximum size of the conduit or pipe shall NOT exceed _______ of the thickness of the concrete. 1/3 Which of the following tests for concrete is conducted at the site/field? Color Test Explanation: Rest of the above are laboratory tests. If the concrete compressive strength specified is less than 3600 psi, it has the option of being tested at 28 days and is able to accept the concrete if it attains ___________ percentage of the mini...

The maximum size of the conduit or pipe shall NOT exceed _______ of the thickness of the concrete. - Answer - 1/3 Which of the following tests for concrete is conducted at the site/field? - Answer - Color Test Explanation: Rest of the above are laboratory tests. If the concrete compressive strength specified is less than 3600 psi, it has the option of being tested at 28 days and is able to accept the concrete if it attains ___________ percentage of the minimum required strength. - Answer - 85...

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. False - Answer-B. False ASTM C172 - Para (4.1)- The elapsed time shall not e...

Concrete ACI (Get Certified For The Concrete Technician Course) – Qs & As