ACI CONCRETE STRENGTH TESTING TECHNICIAN EXAM LATEST
2026-2027 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED|| ||BRANDNEW!!!||
For flexural strength, the testing equipment must be capable of
maintaining distances between load applying and support blocks
constant within +/-___in. - ANSWER-+/- .05inches (+/-1mm)
For flexural strength, the final report should include both the
average width and depth to the nearest __ inch - ANSWER-
.05inches (1mm)
The block surface in contact with the specimen shall not depart
from plane by more than ___inch - ANSWER-.002in
Name the two allowable materials with with concrete cylinders
may be capped with. - ANSWER-I. High-strength gypsum
II. Sulfur mortar
III. Neat cement paste
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Name the three materials with with cylinders may be capped
against. - ANSWER-I. Glass
II. Metal
III. Granite
Prior to beginning the capping procedure, what must the metal
plate be inspected for? - ANSWER-I. Grooves
II. Gouches
III. Indentations
What is the maximum allowable size of any indentation on the
base plate? - ANSWER-0.010 in [0.25 mm]
Upon receipt of the caping material, for how long can it be kept in
intervals? - ANSWER-3 months
When must the neat cement paste be applied it to the cylinder? -
ANSWER-Immediately
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For how long must the concrete settle in the mold prior to applying
the neat cement paste? - ANSWER-2 to 4 hours
Prior to capping, name the three tasks that must be performed on
the cylinder. - ANSWER-I. Inspect for any bumps greater than
1/8"
II. Remove foreign debris.
III. Remove any excess water or laitence.
What is the required position of the concrete cylinder? -
ANSWER-90° ± 0.5°
Name the required temperature range of the heated sulfar mortar
mixture. - ANSWER-265°F to 290 °F [130 °C to 145 °C]
What is the maximum number of times that the heated sulfur may
be used per cylinder capping procedure? - ANSWER-5 times
These procedures for capping enable concrete cylinders and
cores to meet the standard practice's requirements for _____ and
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_____. - ANSWER-perpendicularity ... planeness ...
perpendicularity
Equipment needed for the capping process includes capping
____ ____ devices and _____ pots. - ANSWER-plates ...
alignment ... melting
Plates for neat cement and high-strength gypsum plaster caps
should be made of ____, _____, or _____. - ANSWER-metal ...
glass .... granite
Sulfar mortar cap plates should be formed against _____ or
_____ plates. - ANSWER-marble ... stone
True or false? The purpose of the guide bar or bull's eye level is
to ensure that caps remain perpendicular to the axi of the cylinder
within 0.5 degrees. - ANSWER-True
To avoid accidents during reheating of cooled sulfur, use melting
pots that have _____. - ANSWER-Metal covers