CMEC Concrete Strength Testing
Exam 2025 Questions and Answers
100% Pass
1/8in - ✔✔What is the maximum average cap thickness specified for an anticipated
concrete cylinder strength of 8000psi?
0.002in (0.05mm) - ✔✔Capping plates must be plane to at least ______.
0.45in (11mm) - ✔✔Metal capping plates shall be at least ______ thick.
Sulfur - ✔✔Glass capping plates cannot be used with ________ as a capping compound.
0.5 degrees - ✔✔Capped specimens shall be within ______ of perpendicularity in
relation to the sides of the specimen.
265-290 degrees F - ✔✔Sulfur mortar capping compound must be heated to between
__________.
Neat Cement Paste - ✔✔Freshly molded specimens can only be capped with
____________.
Voids - ✔✔After capping with sulfur mortar, the end of each capped specimen must be
checked for _________ and replaced if found.
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 1
, False - ✔✔Allowing specimens to air dry completely is allowed in order to help caps
bond to the end of specimen. True/False
SSD, Steam Pockets - ✔✔Specimens shall be _________ to prevent the formation of
_________.
1/8in, grind or wet saw - ✔✔When the ends of a specimen have irregularities that differ
by more than ______ when measured across the highest point, you must
___________________ the specimen.
end conditions (planeness and perpendicularity) - ✔✔Specimens are only required to be
capped when ____________ do not meet the specified requirements.
every 3 months - ✔✔Capping compound should be checked for compressive strength at
least every new lot or ___________.
True - ✔✔Unbonded pad caps may be used on one or both ends of a specimen.
True/False
0.002in (0.05mm) - ✔✔The surface of the retainer ring must be plane to at least
_________.
102% and 107% - ✔✔The inside diameter of the retaining rings shall be between _______
and ________ of the specimen diameter.
7000psi - ✔✔If using neoprene pads, qualification tests are not required for strengths
below _________.
100 - ✔✔Neoprene pads may be used up to ______ times on concrete below 7000 psi
without additional qualification testing.
50 - ✔✔For concrete strengths above 7000 psi, neoprene pads may be used ______ times
without additional qualification testing.
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
Exam 2025 Questions and Answers
100% Pass
1/8in - ✔✔What is the maximum average cap thickness specified for an anticipated
concrete cylinder strength of 8000psi?
0.002in (0.05mm) - ✔✔Capping plates must be plane to at least ______.
0.45in (11mm) - ✔✔Metal capping plates shall be at least ______ thick.
Sulfur - ✔✔Glass capping plates cannot be used with ________ as a capping compound.
0.5 degrees - ✔✔Capped specimens shall be within ______ of perpendicularity in
relation to the sides of the specimen.
265-290 degrees F - ✔✔Sulfur mortar capping compound must be heated to between
__________.
Neat Cement Paste - ✔✔Freshly molded specimens can only be capped with
____________.
Voids - ✔✔After capping with sulfur mortar, the end of each capped specimen must be
checked for _________ and replaced if found.
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 1
, False - ✔✔Allowing specimens to air dry completely is allowed in order to help caps
bond to the end of specimen. True/False
SSD, Steam Pockets - ✔✔Specimens shall be _________ to prevent the formation of
_________.
1/8in, grind or wet saw - ✔✔When the ends of a specimen have irregularities that differ
by more than ______ when measured across the highest point, you must
___________________ the specimen.
end conditions (planeness and perpendicularity) - ✔✔Specimens are only required to be
capped when ____________ do not meet the specified requirements.
every 3 months - ✔✔Capping compound should be checked for compressive strength at
least every new lot or ___________.
True - ✔✔Unbonded pad caps may be used on one or both ends of a specimen.
True/False
0.002in (0.05mm) - ✔✔The surface of the retainer ring must be plane to at least
_________.
102% and 107% - ✔✔The inside diameter of the retaining rings shall be between _______
and ________ of the specimen diameter.
7000psi - ✔✔If using neoprene pads, qualification tests are not required for strengths
below _________.
100 - ✔✔Neoprene pads may be used up to ______ times on concrete below 7000 psi
without additional qualification testing.
50 - ✔✔For concrete strengths above 7000 psi, neoprene pads may be used ______ times
without additional qualification testing.
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
