ACI CONCRETE STRENGTH TESTING TECHNICIAN CP-19
(14) | 81 QUESTIONS | NEWEST 2026/2027 ACTUAL EXAM
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS | PDF
The technician should remove all _____ or _____ materials from the ends of hardened
concrete cylinders before capping ANSWER👀 Oily, waxy
_____ the pot and recharge with fresh material at intervals to insure that the oldest
material in the pot has not been used more than _____ times. ANSWER👀 Empty, 5
When capping concrete cylinders with a compressive strength of 35 MPa (5000 psi)
or greater, it is permitted to reuse compound recovered from the capping operation
of old caps. True or False? ANSWER👀 False
To avoid _____, the sulfur mortar should be dry when it is added to the pot. It should
be kept away from _____ when heating. ANSWER👀 Foaming, water
The melting pot for the sulfur mortar must be located under a _____ with an _____ for
_____. ANSWER👀 Hood, exhaust fan, ventillation
Hydrogen sulfide gas, which may be produced during capping, may be _____, _____,
_____, _____ and _____. ANSWER👀 Lethal, nausea, stomach distress, dizziness,
headache, irritation of the eyes.
When qualification tests of unbonded pads are required, they are performed by the
_____ or _____. ANSWER👀 Supplier, user
, This standard (ASTM 1231) established a maximum number of pad reuses that may
not be exceeded under any circumstances. True or false? ANSWER👀 False
Unbonded caps are not to be used for acceptance testing of concrete with
compressive strength below _____ or above _____. ANSWER👀 1500 psi (10 MPa),
12,000 psi (80 MPa)
Polyurethane or butyl pads with a Shore A durometer hardness of 50 that will be used
on concrete with a compressive strength of 1500 to 6000 psi (10 to 40 MPa) need not
be qualified prior to use. True of False? ANSWER👀 False
To keep track of pad usage, the user is required to maintain records that
include_____. ANSWER👀 Date placed in service, pad durometer, number of uses
if a new neoprene pad with a Shore A durometer hardness of 50 is intended to test
concrete cylinders with anticipated compressive strengths between 1500 and 6000
psi (10 and 40 MPa), it may be used "as is" from the manufacturer without further
qualification testing. True or False? ANSWER👀 True
The term "unbonded cap" refers to the combination of a metal retainer and an
elastomeric pad. True or False? ANSWER👀 True
The practice of ASTM C1231 may be used instead of the capping requirements ASTM
C617. True or False? ANSWER👀 True
The pads provide a uniform distribution of load from the bearing blocks of the testing
machine by deforming in initial loading to conform to the contour of the ends of the
cylinder. True or False? ANSWER👀 True
(14) | 81 QUESTIONS | NEWEST 2026/2027 ACTUAL EXAM
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS | PDF
The technician should remove all _____ or _____ materials from the ends of hardened
concrete cylinders before capping ANSWER👀 Oily, waxy
_____ the pot and recharge with fresh material at intervals to insure that the oldest
material in the pot has not been used more than _____ times. ANSWER👀 Empty, 5
When capping concrete cylinders with a compressive strength of 35 MPa (5000 psi)
or greater, it is permitted to reuse compound recovered from the capping operation
of old caps. True or False? ANSWER👀 False
To avoid _____, the sulfur mortar should be dry when it is added to the pot. It should
be kept away from _____ when heating. ANSWER👀 Foaming, water
The melting pot for the sulfur mortar must be located under a _____ with an _____ for
_____. ANSWER👀 Hood, exhaust fan, ventillation
Hydrogen sulfide gas, which may be produced during capping, may be _____, _____,
_____, _____ and _____. ANSWER👀 Lethal, nausea, stomach distress, dizziness,
headache, irritation of the eyes.
When qualification tests of unbonded pads are required, they are performed by the
_____ or _____. ANSWER👀 Supplier, user
, This standard (ASTM 1231) established a maximum number of pad reuses that may
not be exceeded under any circumstances. True or false? ANSWER👀 False
Unbonded caps are not to be used for acceptance testing of concrete with
compressive strength below _____ or above _____. ANSWER👀 1500 psi (10 MPa),
12,000 psi (80 MPa)
Polyurethane or butyl pads with a Shore A durometer hardness of 50 that will be used
on concrete with a compressive strength of 1500 to 6000 psi (10 to 40 MPa) need not
be qualified prior to use. True of False? ANSWER👀 False
To keep track of pad usage, the user is required to maintain records that
include_____. ANSWER👀 Date placed in service, pad durometer, number of uses
if a new neoprene pad with a Shore A durometer hardness of 50 is intended to test
concrete cylinders with anticipated compressive strengths between 1500 and 6000
psi (10 and 40 MPa), it may be used "as is" from the manufacturer without further
qualification testing. True or False? ANSWER👀 True
The term "unbonded cap" refers to the combination of a metal retainer and an
elastomeric pad. True or False? ANSWER👀 True
The practice of ASTM C1231 may be used instead of the capping requirements ASTM
C617. True or False? ANSWER👀 True
The pads provide a uniform distribution of load from the bearing blocks of the testing
machine by deforming in initial loading to conform to the contour of the ends of the
cylinder. True or False? ANSWER👀 True
