Concrete Strength Testing
Technician Exam 2025 Questions
and Answers 100% Pass
These procedures for capping enable concrete cylinders and cores to meet the
standard's requirements for _____ and ________. - ✔✔planeness and perpendicularity
Equipment needed for the capping process includes capping ______, ______ devices,
and ________ pots. - ✔✔plates, alignment devices, and melting pots
Plates for neat cement and high strength gypsum plaster caps should me made of _____,
______, _____, or ______. - ✔✔glass, metal, granite, or diabase
Sulfur mortar cap plates should be formed against _____ or _____ plates. - ✔✔metal or
stone
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 .5 degrees. True or False - ✔✔True
To avoid accidents during reheating of cooled sulfur, use melting pots that have
_______ _______. - ✔✔peripheral heating
The technician should use a stiff layer of _____ ____ _____ to cap fresh concrete
cylinders. - ✔✔neat cement paste
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 1
, Hardened concrete cylinders should be capped with ______, _______, or _______. -
✔✔high strength gyp paste, neat cement paste, or sulfur mortar
Plaster of paris and mixtures of plaster of paris and portland cement are examples of
suitable high-strength plasters. True or False - ✔✔False
Sulfur mortars and high-strength gypsum cement tubes must demonstrate a minimum
compressive strength of _____ or ______, whichever is greater. - ✔✔5000 PSI or the
cylinder strength
The cement paste should be applied to the freshly molded cylinder from _____ to _____
hours after molding. This allows for ______ of the concrete specimen. - ✔✔2 to 4 hours,
to allow for settling of the specimen
The strength of the cement paste depends on ______, _______, and ________. - ✔✔The
water-cement ratio, the time, the type of cement
A slight twisting action will help eliminate ________ and _____ voids when the capping
plate is placed onto the mound of paste. - ✔✔excess paste and air voids
Neat cement paste caps should not be used on dry specimens because the caps may
______ and _____ when dry. - ✔✔shrink and crack
The technician should remove all _____ or _____ materials from the ends of hardened
concrete cylinders before capping. - ✔✔oily or waxy materials
_____ the pot and recharge with fresh material at intervals to ensure that the oldest
material in the pot has not been used more than ____ times. - ✔✔Empty, not used more
than 5 times.
When capping concrete cylinders with a compressive strength of 5000 PSI or greater, it
is permitted to reuse compound recovered from the capping operation of old caps. True
or False - ✔✔False
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
Technician Exam 2025 Questions
and Answers 100% Pass
These procedures for capping enable concrete cylinders and cores to meet the
standard's requirements for _____ and ________. - ✔✔planeness and perpendicularity
Equipment needed for the capping process includes capping ______, ______ devices,
and ________ pots. - ✔✔plates, alignment devices, and melting pots
Plates for neat cement and high strength gypsum plaster caps should me made of _____,
______, _____, or ______. - ✔✔glass, metal, granite, or diabase
Sulfur mortar cap plates should be formed against _____ or _____ plates. - ✔✔metal or
stone
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 .5 degrees. True or False - ✔✔True
To avoid accidents during reheating of cooled sulfur, use melting pots that have
_______ _______. - ✔✔peripheral heating
The technician should use a stiff layer of _____ ____ _____ to cap fresh concrete
cylinders. - ✔✔neat cement paste
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 1
, Hardened concrete cylinders should be capped with ______, _______, or _______. -
✔✔high strength gyp paste, neat cement paste, or sulfur mortar
Plaster of paris and mixtures of plaster of paris and portland cement are examples of
suitable high-strength plasters. True or False - ✔✔False
Sulfur mortars and high-strength gypsum cement tubes must demonstrate a minimum
compressive strength of _____ or ______, whichever is greater. - ✔✔5000 PSI or the
cylinder strength
The cement paste should be applied to the freshly molded cylinder from _____ to _____
hours after molding. This allows for ______ of the concrete specimen. - ✔✔2 to 4 hours,
to allow for settling of the specimen
The strength of the cement paste depends on ______, _______, and ________. - ✔✔The
water-cement ratio, the time, the type of cement
A slight twisting action will help eliminate ________ and _____ voids when the capping
plate is placed onto the mound of paste. - ✔✔excess paste and air voids
Neat cement paste caps should not be used on dry specimens because the caps may
______ and _____ when dry. - ✔✔shrink and crack
The technician should remove all _____ or _____ materials from the ends of hardened
concrete cylinders before capping. - ✔✔oily or waxy materials
_____ the pot and recharge with fresh material at intervals to ensure that the oldest
material in the pot has not been used more than ____ times. - ✔✔Empty, not used more
than 5 times.
When capping concrete cylinders with a compressive strength of 5000 PSI or greater, it
is permitted to reuse compound recovered from the capping operation of old caps. True
or False - ✔✔False
COPYRIGHT © 2025 BY GRACE AMELIA, ALL RIGHTS RESERVED 2
