ACI Field Grade 1 Testing Exam Questions and Answers 100% Pass

ACI Field Grade 1 Testing Exam Questions and Answers 100% Pass It is acceptable to measure the temperature of freshly mixed concrete in the forms provide : A. The sensor of the temperature measuring device has at least 3 " of cover in all directions. B. The concrete has been properly consolidated. C. The sensor of the temperature measuring device is made of metal. D. The concrete has been wet sieved. - Answer- A. The sensor of the temperature measuring device has at least 3 " of cover in all directions. The temperature measuring devices shall be capable of accurately measuring the temperature of freshly mixed concrete to 1 ° F throughout a range of ________________. A. 20 - 100 ° F B. 45 - 95 ° F C. 30 - 120 ° F D. 50 - 200 ° F - Answer- C. 30 - 120 ° F Is the following statement true or false? Composite samples are required even if the only purpose for obtaining the sample is to determine temperature. A. True B. False - Answer- B. False The temperature measuring device is left in the freshly mixed concrete for at least __________ but not more than 5 minutes. A. 10 seconds B. 30 seconds C. 1 minute D. 2 minutes - Answer- D. 2 mintues Is the following statement true or false? Test Method C1064/C1064 specifies a maximum temperature of freshly mixed concrete. A. True B. False - Answer- B. False The elapsed time between obtaining the first and final portion of a composite sample shall not exceed___________. A. 15 minutes B. 20 minutes C. 30 minutes D. 60 minutes - Answer- A. 15 minutes Is the following statement true or false? Individual samples shall be combined and remixed with a shovel the minimum amount necessary to ensure uniformity. A. True B. False - Answer- A. True The following test must be started within 5 minutes after obtaining the final portion of the composite sample: A. Slump B. Temperature C. Air content D. All of the above - Answer- D. All of the above The concrete sample must be protect from: A. Contamination B. Evaporation C. A & B D. None of the above - Answer- C. A & B