ACI Strength Exam Study Guide
Questions and Correct Answers.
Newest 2026-2027. Graded A
_____ the pot and recharge the fresh material at intervals to ensure that
the oldest material has not been used more than _____ times. - ANSStir ,
five
A slight twisting action will help eliminate _____ and air _____ when the
capping plate is placed onto the ound mound of paste. - ANScracks , voids
After 50 uses, test results may be used for greater than 50 times at ______
.
A. ±5000 psi of average strength
B. ±5000 psi of highest strength
C. ±2000 psi of average strength
D. ±2000 psi of highest strength - ANSD. ±2000 psi of highest strength
After curing, name the 3 checks to perform on the concrete cylinder. -
ANSI. Perpendicularity
II. Planeness
III. Diameter
Align the _____ of the specimen with teh _____ of thrust of the spherically
shaped block. - ANSd
1
, 2
Apply the load _____ and without _____. - ANScontinuously ... shock
Bearing blocks used in the _____ method must ensure that forces applied
to the beam will be perpendicular to the face of the specimen and applied
without eccentricity. - ANSd
Briefly describe how to check for the perpendicular of a concrete cylinder. -
ANSRun a 1/16th inch feeler gauge along the side of the cylinder in 2-3
locations.
Bumps on caps should not exceed:
A. 0.05 inches
B. 0.1 inches
C. 0.2 inches
D. 0.5 inches
E. None of the above - ANSC. 0.2 inches
Calculate the compressive strength by dividing the _____ by the average
_____ area determined. - ANSload ... cross-sectional
Cement paste may only be used on:
A. Hardened molded cylinders
B. Freshly molded cylinders
C. Both A and B - ANSB. Freshly molded cylinders
2
, 3
Depressions in the ends of cylinders that exceed _____ must be corrected
by sawing or grinding prior to testing. - ANS1/8 inch
Discard the test results when the freacture occurs in which of these
instances:
A. Outside the middle third of the span length but by LESS than 5% of the
span length
B. Outside the middle third of the span length but by MORE than 5% of the
span length
C. Within the middle third of the span length - ANSB. Outside the middle
third of the span length but by MORE than 5% of the span length
During the testing, if suitable contact is made between the specimen and
the bearing block surfaces, ______, _____, or _____ may be required. -
ANSa
Elastomeric pads should not be more than ______ smaller than the inside
diameter of the retaining ring. - ANS1/16th inch [2 mm]
Equipment needed for the capping process includes capping ____ , ____
devices and _____ pots. - ANSplates, alignment, melting
For a neoprene pad of a compressive strength of 10000 psi [80 MPa], what
are the maximum reuses of the pad? - ANS100
For a neoprene pad of a compressive strength of 13000 psi [89 MPa], what
are the maximum reuses of the pad? - ANS50
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