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ASTM ACI CONCRETE STRENGTH TESTING LAB
TECHNICIAN EXAM NEWEST 2025/ 2026 ACTUAL
EXAM 100 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |A+
GRADED||LATES EXAM!!!
The machine must be power operated and apply the load
intermittently. True or False? - ANSWER-False
Supplemental means of loading for calibration may be
power or hand operated. True or False? - ANSWER-True
The percentage of error for loads used in the machine
should not exceed _____ of the indicated load. -
ANSWER-+_ 1 %
The testing machine should have 2 steel bearing blocks: a
spherically seated block and a solid block. True or false? -
ANSWER-True
The _____ and _____ of the spherically seated bearing
block must be designed so the steel in the contact area
doesn't permanently deform when loaded to the capacity
of the testing machine. - ANSWER-ball and socketq
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The curved surface of the socket should be kept _____
and lubricated with _____ _____ _____ - ANSWER-clean,
petroleum-based oil
The _____ _____ block should provide a readily
machinable surface for maintenance of the specified
surface conditions - ANSWER-Bottom Bearing
Specimens should not be tested if any individual diameter
of a cylinder differs from another diameter of the same
cylinder by less than 2%. True or False? - ANSWER-False
If cylinders have been made from a single lot of molds
which consistently produce roughly the same sized
specimens, the number of individual cylinders measured is
not prohibited from being reduced to 1 for each _____
specimens, or _____ per day, whichever is greater. -
ANSWER-10, 3
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
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Test specimens should be ____ _____ during the period
between storage and testing. - ANSWER-kept moist
When placing the lower bearing block on the table or
platen, place the ____ _____ up. - ANSWER-hardened
side
Align the _____ of the specimen with the _____ of thrust
of the spherically seated block. - ANSWER-axis, center
Prior to testing the specimen, verify that the load indicator
is _____ - ANSWER-zeroed
Apply the load _____ and without ______ - ANSWER-
continuously, shock
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
ASTM ACI CONCRETE STRENGTH TESTING LAB
TECHNICIAN EXAM NEWEST 2025/ 2026 ACTUAL
EXAM 100 QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |A+
GRADED||LATES EXAM!!!
The machine must be power operated and apply the load
intermittently. True or False? - ANSWER-False
Supplemental means of loading for calibration may be
power or hand operated. True or False? - ANSWER-True
The percentage of error for loads used in the machine
should not exceed _____ of the indicated load. -
ANSWER-+_ 1 %
The testing machine should have 2 steel bearing blocks: a
spherically seated block and a solid block. True or false? -
ANSWER-True
The _____ and _____ of the spherically seated bearing
block must be designed so the steel in the contact area
doesn't permanently deform when loaded to the capacity
of the testing machine. - ANSWER-ball and socketq
,2|Page
The curved surface of the socket should be kept _____
and lubricated with _____ _____ _____ - ANSWER-clean,
petroleum-based oil
The _____ _____ block should provide a readily
machinable surface for maintenance of the specified
surface conditions - ANSWER-Bottom Bearing
Specimens should not be tested if any individual diameter
of a cylinder differs from another diameter of the same
cylinder by less than 2%. True or False? - ANSWER-False
If cylinders have been made from a single lot of molds
which consistently produce roughly the same sized
specimens, the number of individual cylinders measured is
not prohibited from being reduced to 1 for each _____
specimens, or _____ per day, whichever is greater. -
ANSWER-10, 3
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
, 3|Page
Test specimens should be ____ _____ during the period
between storage and testing. - ANSWER-kept moist
When placing the lower bearing block on the table or
platen, place the ____ _____ up. - ANSWER-hardened
side
Align the _____ of the specimen with the _____ of thrust
of the spherically seated block. - ANSWER-axis, center
Prior to testing the specimen, verify that the load indicator
is _____ - ANSWER-zeroed
Apply the load _____ and without ______ - ANSWER-
continuously, shock
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
