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ACI CONCRETE STRENGTH TESTING TECHNICIAN
EXAM NEWEST 2025 ACTUAL EXAM 200 QUESTIONS
AND 100%CORRECT DETAILED ANSWERS/NEWEST
UPDATE (VERIFIED ANSWERS) |A+ GRADED
The strength of the paste depends on:
A. The water-cement ratio
B. Time
C. The equipment used
D. Type of cement - ANSWER-A. The water-cement ratio
A slight twisting action will help eliminate _____ and air
_____ when teh capping plate is placed onto the ound
mound of paste. - ANSWER-cracks ... voids
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Neat cement paste caps should not be used on dry
specimens because the caps may _____ and _____ when
dry. - ANSWER-crack
The technician should remove all _____ or _____
materials from the ends of hardened concrete cylinders
before capping. - ANSWER-debris ... foreign
_____ the pot and recharge the fresh material at intervals
to ensure that the oldest material has not been used more
than _____ times. - ANSWER-Stir ... five
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True or false? When capping concrete cylinders with a
comprehensive strength of 35 MPa [5000 psi] or greater, it
is permitted to reuse compound recovered from the
capping operation or old caps. - ANSWER-True
To avoid _____, the sulfur mortar should be dry when it is
added to the pot. It should be kept away from _____ when
heating. - ANSWER-cracking ... moisture
The melting pot for the sulfur mortar must be located
under a _____ with an _____ for _____. - ANSWER-hood
... ventilation
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Hydrogen sulfide gas, which may be produced during
capping, may be _____ in high concentrations. In lower
concentrations, the gas may result in _____, _____,
_____, _____, and _____. - ANSWER-released
Unbonded caps may NOT be used for acceptance testing
of concrete with compressive strengths below ... or above
... . - ANSWER-1500 psi [10 MPa] ... 12000 psi [80 Mpa]
Elastomeric pads should not be more than ... smaller than
the inside diameter of the retaining ring. - ANSWER-1/16th
inch [2 mm]
ACI CONCRETE STRENGTH TESTING TECHNICIAN
EXAM NEWEST 2025 ACTUAL EXAM 200 QUESTIONS
AND 100%CORRECT DETAILED ANSWERS/NEWEST
UPDATE (VERIFIED ANSWERS) |A+ GRADED
The strength of the paste depends on:
A. The water-cement ratio
B. Time
C. The equipment used
D. Type of cement - ANSWER-A. The water-cement ratio
A slight twisting action will help eliminate _____ and air
_____ when teh capping plate is placed onto the ound
mound of paste. - ANSWER-cracks ... voids
,2|Page
Neat cement paste caps should not be used on dry
specimens because the caps may _____ and _____ when
dry. - ANSWER-crack
The technician should remove all _____ or _____
materials from the ends of hardened concrete cylinders
before capping. - ANSWER-debris ... foreign
_____ the pot and recharge the fresh material at intervals
to ensure that the oldest material has not been used more
than _____ times. - ANSWER-Stir ... five
,3|Page
True or false? When capping concrete cylinders with a
comprehensive strength of 35 MPa [5000 psi] or greater, it
is permitted to reuse compound recovered from the
capping operation or old caps. - ANSWER-True
To avoid _____, the sulfur mortar should be dry when it is
added to the pot. It should be kept away from _____ when
heating. - ANSWER-cracking ... moisture
The melting pot for the sulfur mortar must be located
under a _____ with an _____ for _____. - ANSWER-hood
... ventilation
, 4|Page
Hydrogen sulfide gas, which may be produced during
capping, may be _____ in high concentrations. In lower
concentrations, the gas may result in _____, _____,
_____, _____, and _____. - ANSWER-released
Unbonded caps may NOT be used for acceptance testing
of concrete with compressive strengths below ... or above
... . - ANSWER-1500 psi [10 MPa] ... 12000 psi [80 Mpa]
Elastomeric pads should not be more than ... smaller than
the inside diameter of the retaining ring. - ANSWER-1/16th
inch [2 mm]
