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ASTM ACI Concrete Strength Testing Lab Technician Exam 2025
| Study Guide, Practice Test, and Certification Prep
ASTM ACI Concrete Strength Testing Lab Technician Exam 2025
ACI concrete strength testing certification study guide
ACI concrete strength testing practice test
ASTM ACI technician exam questions and answers
How to pass ACI Concrete Strength Testing Exam
ACI lab technician certification prep course
ASTM ACI exam study material PDF
ACI concrete strength testing level 1 exam
ASTM ACI certification requirements 2025
ACI strength testing technician exam practice questions
ASTM ACI lab technician training and certification
ACI concrete testing exam cost and eligibility
After application of the load, but before ______ of the anticipated specimen strength, check
to see that the axis of the cylinder is vertical within a tolerance of _______. - ANSWER-50 %,
1/8 in 12
ASTM standard dealing with compressive strength of cylindrical concrete specimens -
ANSWER-C39
ASTM C39 measures the compressive strength of cylindrical concrete specimens that weigh
less than 800 kg/m3 (50 lb/ft3). True or false - ANSWER-False.. weigh more than
, 2|Page
ASTM C39 consists of applying a compressive axial load to molded cylinders or cores at any
rate until failure occurs. True or false? - ANSWER-False, Specified Rate
Results obtained from the compressive strength test method will depend on many things,
such as the size and ____ of the specimen, batching, _____ procedures, the age, temperature
and _____ conditions during curing. - ANSWER-shape, mixing, moisture
ASTM C39 is used to determine ____ _____ of cylindrical specimens. - ANSWER-Compressive
Strength
The calibration of the testing machines must be verified under 4 conditions: at least ____,
upon original installation, or after _____, after making _____ or adjustments, and whenever
there is reason to suspect the _____ of the indicated load - ANSWER-annually, relocation,
repairs, accuracy
The machine must be power operated and apply the load intermittently. True or False? -
ANSWER-False
The pads used in this practice must be _____ thick, and the the diameter shall not be more than
_____ smaller than the inside diameter of the retaining ring. - ANSWER-3 +- 2mm (1/2" +-
1/16"), 2mm (1/16")
The height of the metal retaining ring must be ______. - ANSWER-25 +- 3mm (1 in +- .1 in)
The inside diameter of the retaining rings shall not be less than ______ or greater than _______
of the diameter of the cylinder - ANSWER-102 %, 107 %
Neither end of the cylinder shall depart from perpendicularity by more than ________ degrees -
ANSWER-.5 degrees
ASTM ACI Concrete Strength Testing Lab Technician Exam 2025
| Study Guide, Practice Test, and Certification Prep
ASTM ACI Concrete Strength Testing Lab Technician Exam 2025
ACI concrete strength testing certification study guide
ACI concrete strength testing practice test
ASTM ACI technician exam questions and answers
How to pass ACI Concrete Strength Testing Exam
ACI lab technician certification prep course
ASTM ACI exam study material PDF
ACI concrete strength testing level 1 exam
ASTM ACI certification requirements 2025
ACI strength testing technician exam practice questions
ASTM ACI lab technician training and certification
ACI concrete testing exam cost and eligibility
After application of the load, but before ______ of the anticipated specimen strength, check
to see that the axis of the cylinder is vertical within a tolerance of _______. - ANSWER-50 %,
1/8 in 12
ASTM standard dealing with compressive strength of cylindrical concrete specimens -
ANSWER-C39
ASTM C39 measures the compressive strength of cylindrical concrete specimens that weigh
less than 800 kg/m3 (50 lb/ft3). True or false - ANSWER-False.. weigh more than
, 2|Page
ASTM C39 consists of applying a compressive axial load to molded cylinders or cores at any
rate until failure occurs. True or false? - ANSWER-False, Specified Rate
Results obtained from the compressive strength test method will depend on many things,
such as the size and ____ of the specimen, batching, _____ procedures, the age, temperature
and _____ conditions during curing. - ANSWER-shape, mixing, moisture
ASTM C39 is used to determine ____ _____ of cylindrical specimens. - ANSWER-Compressive
Strength
The calibration of the testing machines must be verified under 4 conditions: at least ____,
upon original installation, or after _____, after making _____ or adjustments, and whenever
there is reason to suspect the _____ of the indicated load - ANSWER-annually, relocation,
repairs, accuracy
The machine must be power operated and apply the load intermittently. True or False? -
ANSWER-False
The pads used in this practice must be _____ thick, and the the diameter shall not be more than
_____ smaller than the inside diameter of the retaining ring. - ANSWER-3 +- 2mm (1/2" +-
1/16"), 2mm (1/16")
The height of the metal retaining ring must be ______. - ANSWER-25 +- 3mm (1 in +- .1 in)
The inside diameter of the retaining rings shall not be less than ______ or greater than _______
of the diameter of the cylinder - ANSWER-102 %, 107 %
Neither end of the cylinder shall depart from perpendicularity by more than ________ degrees -
ANSWER-.5 degrees
