CMEC ACI 1 Concrete Field Testing
Questions and Answers
Question 1
True or False? Obtaining a representative portion for concrete at containers not,
transportation equipment for plasticity testing.
Correct Answer
False
Question 2
Revolving drum truck mixers shall be sampled at ____________ locations in the
____________ portion of the batch.
Correct Answer
N/A
Question 3
The temperature sensing device shall be accurate to ____________.
Correct Answer
±1 ̊F.
Question 4
The dimensions of the slump mold must be maintained within _______.
Correct Answer
N/A
Page 1 of 10
, Question 5
Missing Requirement? Material, Mixture, Temperature, Slump, Number of Specimens,
Interpretation of Results
Correct Answer
Air Content
Question 6
Dial and digital thermometers must be calibrated every _____ or whenever the results
are suspect.
Correct Answer
Year
Question 7
Begin tests for slump, air, and temp within ______ minutes after obtaining the final
portion of a composite sample.
Correct Answer
5
Question 8
Measure and record the result to the nearest _________.
Correct Answer
N/A
Question 9
Pavement mixes shall be sampled at ___ _________________ locations around the
discharged concrete mass.
Correct Answer
5 minimum
Page 2 of 10
Questions and Answers
Question 1
True or False? Obtaining a representative portion for concrete at containers not,
transportation equipment for plasticity testing.
Correct Answer
False
Question 2
Revolving drum truck mixers shall be sampled at ____________ locations in the
____________ portion of the batch.
Correct Answer
N/A
Question 3
The temperature sensing device shall be accurate to ____________.
Correct Answer
±1 ̊F.
Question 4
The dimensions of the slump mold must be maintained within _______.
Correct Answer
N/A
Page 1 of 10
, Question 5
Missing Requirement? Material, Mixture, Temperature, Slump, Number of Specimens,
Interpretation of Results
Correct Answer
Air Content
Question 6
Dial and digital thermometers must be calibrated every _____ or whenever the results
are suspect.
Correct Answer
Year
Question 7
Begin tests for slump, air, and temp within ______ minutes after obtaining the final
portion of a composite sample.
Correct Answer
5
Question 8
Measure and record the result to the nearest _________.
Correct Answer
N/A
Question 9
Pavement mixes shall be sampled at ___ _________________ locations around the
discharged concrete mass.
Correct Answer
5 minimum
Page 2 of 10