ASTM ACI CONCRETE STRENGTH TESTING
LAB TECHNICIAN 2026 EXAM COMPLETE (91)
CURRENT TESTING QUESTIONS AND
DETAILED CORRECT
ANSWERS|GUARANTEED PASS.
ASTM ACI
Prepare effectively with this ASTM ACI Concrete Strength Testing
Lab Technician Exam, designed to assess essential knowledge of
concrete testing procedures and laboratory practices. It focuses
on sample preparation, strength testing methods, equipment
use, and ASTM/ACI standards compliance. The exam
strengthens technical accuracy and quality control skills in
construction materials testing. Suitable for lab technicians,
construction professionals, and certification candidates.
1. When conducting compression tests of moist cured
specimens, wait at least 3 days after their removal from
moist storage before testing, true or false? ✓ ✓ ......
ANSWER ....... False, immediately
2. Test specimens should be ____ _____ during the period
between storage and testing. ✓ ✓ ...... ANSWER .......
kept moist
, Page 2 of 24
3. When placing the lower bearing block on the table or
platen, place the ____ _____ up. ✓ ✓ ...... ANSWER
....... hardened side
4. Align the _____ of the specimen with the _____ of thrust
of the spherically seated block. ✓ ✓ ...... ANSWER
....... axis, center
5. Prior to testing the specimen, verify that the load
indicator is _____ ✓ ✓ ...... ANSWER ....... zeroed
6. Apply the load _____ and without ______ ✓ ✓ ......
ANSWER ....... continuously, shock
7. A higher rate of loading shall be permitted during the
application of the first half of the nticipated loading
phase, true or false? ✓ ✓ ...... ANSWER ....... True
8. When the specimen fails, record the ____ _____ carried
by the specimen during the test and note the ______
, Page 3 of 24
_______ ✓ ✓ ...... ANSWER ....... Max Load, Fracture
Type
9. Calculate the compressive strength by dividing the
_____ _____ by the average _____ _____ ______ ✓ ✓ ......
ANSWER ....... max load , cross sectional area
10. What should a test report include? ✓ ✓ ......
ANSWER ....... id #, max load, age of specimen, cross
sectional area, any defects in specimens or caps
11. This ASTM standard deals with the flexural strength
of concrete ✓ ✓ ...... ANSWER ....... ASTM C78
12. The ____ _____ of Portland cement concrete is its
ability to resist failure due to _____ stresses ✓ ✓ ......
ANSWER ....... flexural strength, bending
13. during flexural testing the top of the beam is under
_____ stress while the bottom is under ______ stress ✓
✓ ...... ANSWER ....... compression, tensile