ACI Concrete Strength Testing Technician
CP-19 (14) Exam Questions With
Complete Solutions
These procedures for capping enable concrete cylinders and cores to
| | | | | | | | | |
meet the standard's requirements for ________ and _________. -
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CORRECT ANSWER✔✔-Planeness, perpendicularity
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Equipment needed for the capping process includes capping _____ ,
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_____devices, and ______ pots. - CORRECT ANSWER✔✔-Plates,
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alignment, melting |
Plates for neat cement and high strength gypsum plaster caps should be
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made of _____, _____, _____ or _____. - CORRECT ANSWER✔✔-Glass,
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metal granite or diabase
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Sulfur mortar cap plates should be formed against _____ or _____
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plates. - CORRECT ANSWER✔✔-Metal, Stone
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The purpose of the guide bar or bull's eye level is to ensure that caps
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remain perpendicular to the axis of the cylinder within 0.5 degrees. True
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or False? - CORRECT ANSWER✔✔-True
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, To avoid accidents during reheating of cooled sulfur, use melting pots
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that have _____. - CORRECT ANSWER✔✔-Peripheral heating
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The technician should use a stiff layer of _____ to cap fresh concrete
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cylinders. - CORRECT ANSWER✔✔-Neat cement paste
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Hardened concrete cylinders should be capped with _____, _____ or
| | | | | | | | | |
_____. - CORRECT ANSWER✔✔-High-strength gypsum paste, neat
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cement paste, or sulfur mortar
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Plaster of paris and mixtures of plaster of paris and portland cement are
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examples of suitable high strength plasters. True or False? - CORRECT
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ANSWER✔✔-False
Sulfur mortars and high-strength gypsum cement cubes must
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demonstrate a minimum compressive strength of _____ or ___ __, | | | | | | | | | |
whichever is greater. - CORRECT ANSWER✔✔-35MPa (5000 psi), the
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cylinder strength |
The cement paste should be applied to the freshly molded cylinder from
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_____ to _____ hours after molding. This is to allow for _____ of the
| | | | | | | | | | | | | | |
concrete specimen. - CORRECT ANSWER✔✔-2,4, settling
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CP-19 (14) Exam Questions With
Complete Solutions
These procedures for capping enable concrete cylinders and cores to
| | | | | | | | | |
meet the standard's requirements for ________ and _________. -
| | | | | | | | |
CORRECT ANSWER✔✔-Planeness, perpendicularity
| |
Equipment needed for the capping process includes capping _____ ,
| | | | | | | | | |
_____devices, and ______ pots. - CORRECT ANSWER✔✔-Plates,
| | | | | | |
alignment, melting |
Plates for neat cement and high strength gypsum plaster caps should be
| | | | | | | | | | | |
made of _____, _____, _____ or _____. - CORRECT ANSWER✔✔-Glass,
| | | | | | | | | |
metal granite or diabase
| | |
Sulfur mortar cap plates should be formed against _____ or _____
| | | | | | | | | | |
plates. - CORRECT ANSWER✔✔-Metal, 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 0.5 degrees. True
| | | | | | | | | | |
or False? - CORRECT ANSWER✔✔-True
| | | | |
, To avoid accidents during reheating of cooled sulfur, use melting pots
| | | | | | | | | | |
that have _____. - CORRECT ANSWER✔✔-Peripheral heating
| | | | | |
The technician should use a stiff layer of _____ to cap fresh concrete
| | | | | | | | | | | | |
cylinders. - CORRECT ANSWER✔✔-Neat cement paste
| | | | |
Hardened concrete cylinders should be capped with _____, _____ or
| | | | | | | | | |
_____. - CORRECT ANSWER✔✔-High-strength gypsum 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? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-False
Sulfur mortars and high-strength gypsum cement cubes must
| | | | | | | |
demonstrate a minimum compressive strength of _____ or ___ __, | | | | | | | | | |
whichever is greater. - CORRECT 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. - CORRECT ANSWER✔✔-2,4, settling
| | | | |
