Aci final exam Study guides, Class notes & Summaries

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- Concrete Field-Testing Technician - Grade 1 Exam Q’s & A’s 2024 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-...

ACI Concrete Field Technician - Grade 1 Exam Questions and Answers 2024 1. A 6 by 12 in [150 mm by 300 mm] cylinder mold can be used for concrete containing aggregate with particles not exceeding _____ in size, without the need for wet sieving the concrete. - Answer- 2 in. [50 mm] 2. According to ASTM C1064, what is one reason to take the temperature of concrete? - Answer- Verify conformance to a specified requirement for temperature of concrete 3. After completing the strike-off procedur...

ACI Certification Exam Questions With Answers Latest Updated 2024/2025 | Graded A+. 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 concrete, there is a decided falling away or shearing off of concrete from one side of the sample. What should the technician do? Answer - Disregard the test and retest on another portion of the s...

ACI Concrete Field Testing Technician Exam Questions With Correct Answers Latest Updated 2024/2025 | Graded A+. The temperature measuring device shall be capable of accurately measuring the temperature of freshly mixed concrete to +- __C [+__F] throught a range of __. Answer - 0.5 C / +-1F / 0-50 Decrees C The temp. measuring device shall be verified __, or whenever there is a question of __. Answer - Annually / accuracy The temp of concrete may be measured in a wheelbarrow? T/F Answer - Tru...

ACI Certification Exam Questions With 100% Correct Answers Latest Updated 2024/2025 | Scored A+. 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 concrete, there is a decided falling away or shearing off of concrete from one side of the sample. What should the technician do? Answer - Disregard the test and retest on another port...

ACI Concrete Field Testing Technician- Grade I Exam Questions and Answers 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 dev...

ACI- Concrete Field-Testing Technician - Grade 1 Exam With Complete Solutions 100% Verified Q1. Start molding specimens for strength tests within 30 minutes after fabricating the composite sample. A. True B. False - answerB. 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. Tru...

ACI Written Exam Questions and Answers 100% Pass The sensor of the temperature measureing device shall be submerged a minimum of ____ in - Answer- 3 (75mm) The temperature measureing device shall have a capacity of measuring temperature of freshly mixed conrcrete to +-_____ degrees F throught a range of _____ - Answer- 1(.5 degrees C), 30-120 (0-50 degrees C) The temperature measuring device shall be calibrated____, or whenever there is a question of _____ - Answer- annually, accuracy T...

ACI Concrete Field Testing Technician Grade 1 Exam Questions and Answers 100% Correct Collecting a representative sample of concrete to be tested is as important as executing the test methods to obtain - Answer- accurate results This practice covers sampling from 4 types of equipment: - Answer- stationary, paving, revolving truck, continuous The elapsed time between obtaining the first and final portions of a composite sample shall not exceed - Answer- 15 minutes Portions of a composite ...