ACI CONCRETE STRENGTH TESTING
TECHNICIAN CERTIFICATION EVALUATION
EXAMS 2026 COMPLETE QUESTIONS AND
ANSWERS GUARANTEED TO PASS
◉ Sulfur mortars and high-strength gypsum cement cubes must
demonstrate a minimum compressive strength of _____ or ___ __,
whichever is greater.
Answer: 35MPa (5000 psi), the cylinder strength
◉ The cement paste should be applied to the freshly molded
cylinder from _____ to _____ hours after molding. This is to allow for
_____ of the concrete specimen.
Answer: 2,4, settling
◉ The strength of the paste depends on:
a) the water-cement ratio
b) time
c) the equipment used
d) type of cement
Answer: a, b and d
, ◉ A slight twisting action will help eliminate _____ and air _____ when
the capping plate is placed onto the mound of the paste.
Answer: Excess paste, voids
◉ Neat cement paste caps should not be used on dry specimens
because the caps may _____ and _____ when dry.
Answer: Shrink, crack
◉ 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.
TECHNICIAN CERTIFICATION EVALUATION
EXAMS 2026 COMPLETE QUESTIONS AND
ANSWERS GUARANTEED TO PASS
◉ Sulfur mortars and high-strength gypsum cement cubes must
demonstrate a minimum compressive strength of _____ or ___ __,
whichever is greater.
Answer: 35MPa (5000 psi), the cylinder strength
◉ The cement paste should be applied to the freshly molded
cylinder from _____ to _____ hours after molding. This is to allow for
_____ of the concrete specimen.
Answer: 2,4, settling
◉ The strength of the paste depends on:
a) the water-cement ratio
b) time
c) the equipment used
d) type of cement
Answer: a, b and d
, ◉ A slight twisting action will help eliminate _____ and air _____ when
the capping plate is placed onto the mound of the paste.
Answer: Excess paste, voids
◉ Neat cement paste caps should not be used on dry specimens
because the caps may _____ and _____ when dry.
Answer: Shrink, crack
◉ 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.
