ACI Concrete Strength Testing
Technician Exam 2026 Questions and
Answers
Capping Concrete Cylinders - Answer -C617
These procedures for capping enable concrete cylinders and cores to meet the
standard practice's requirements for _____ and _____. - Answer -Planeness;
perpendicularity.
Equipment needed for the capping process includes capping _____, _____ devices,
and _____ pots. - Answer -Plates; alignment; melting
Plates for neat cement and high-strength gypsum plaster caps should be made of
_____, _______, _______, or _______. - Answer -Glass; metal; granite; diabase.
Sulfur mortar cap plates should be formed against _______ or _______ plates. -
Answer -Metal; granite or diabase
The purpose of the guide bar or bull's eye level is to ensure that caps remain
perpendicular to the axis of the cylinder within 0.5 degrees. T/F? - Answer -T
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, To avoid accidents during reheating of cooled sulfur, use melting pots that have
_______. - Answer -Peripheral heating
Hardened concrete cylinders should be capped with _______, _______, or
_______. - Answer -High-strength gypsum paste; neat cement paste; sulfur mortar
Plaster of paris and mixtures of plaster of paris and portland cement are examples
of suitable high-strength plasters. T/F? - Answer -F
Sulfur mortars and high-strength gypsum cement cubes must demonstrate a
minimum compressive strength of _______ or _______, whichever is greater. -
Answer -5000 psi [35 MPa]; cylinder strength
The cement paste should be applied to the freshly molded cylinder from _______
hours after molding. This is to allow for _______ of the concrete specimen. -
Answer -2-4; settling
Select all that apply: The strength of the neat cement paste depends on: ________.
- Answer -W/CM ratio; Curing time/age of cap; type of cement.
A slight twisting action will help eliminate _______ and air _______ when the
capping plateis placed onto the mound of neat cement paste. - Answer -excess
paste; voids
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
Technician Exam 2026 Questions and
Answers
Capping Concrete Cylinders - Answer -C617
These procedures for capping enable concrete cylinders and cores to meet the
standard practice's requirements for _____ and _____. - Answer -Planeness;
perpendicularity.
Equipment needed for the capping process includes capping _____, _____ devices,
and _____ pots. - Answer -Plates; alignment; melting
Plates for neat cement and high-strength gypsum plaster caps should be made of
_____, _______, _______, or _______. - Answer -Glass; metal; granite; diabase.
Sulfur mortar cap plates should be formed against _______ or _______ plates. -
Answer -Metal; granite or diabase
The purpose of the guide bar or bull's eye level is to ensure that caps remain
perpendicular to the axis of the cylinder within 0.5 degrees. T/F? - Answer -T
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
, To avoid accidents during reheating of cooled sulfur, use melting pots that have
_______. - Answer -Peripheral heating
Hardened concrete cylinders should be capped with _______, _______, or
_______. - Answer -High-strength gypsum paste; neat cement paste; sulfur mortar
Plaster of paris and mixtures of plaster of paris and portland cement are examples
of suitable high-strength plasters. T/F? - Answer -F
Sulfur mortars and high-strength gypsum cement cubes must demonstrate a
minimum compressive strength of _______ or _______, whichever is greater. -
Answer -5000 psi [35 MPa]; cylinder strength
The cement paste should be applied to the freshly molded cylinder from _______
hours after molding. This is to allow for _______ of the concrete specimen. -
Answer -2-4; settling
Select all that apply: The strength of the neat cement paste depends on: ________.
- Answer -W/CM ratio; Curing time/age of cap; type of cement.
A slight twisting action will help eliminate _______ and air _______ when the
capping plateis placed onto the mound of neat cement paste. - Answer -excess
paste; voids
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
