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ACI - Concrete Strength Testing Technician (CSTT) Detailed Questions and Expert Answers $14.99   Add to cart

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ACI - Concrete Strength Testing Technician (CSTT) Detailed Questions and Expert Answers

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ACI - Concrete Strength Testing Technician (CSTT) Detailed Questions and Expert Answers

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  • August 12, 2024
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ACI - Concrete Strength Testing Technician (CSTT)
Detailed Questions and Expert Answers

Standard Practice for Capping Cylindrical Concrete Specimens - ANS ASTM C617



Procedures for capping enable concrete cylinders and cores to meet C617's
practice requirements for___ and___.

C617 - ANS perpendicularity, planeness



C617, 3.1



____ ____ can be made of glass, machined metal, polished granite, or diabase.

C617 - ANS Capping plates



C617, 4.1



Sulfur caps can be formed against ___ or___ plates.

C617 - ANS metal, stone



C617, 4.1



The working surface of a capping plate shall not depart from a plane by more than
___ inch ( ___ mm) in 6 inches (150 mm).

,C617 - ANS 0.002 inch (0.05 mm)



C617, 4.1



Device used in conjunction with a capping plate to ensure perpendicularity.

C617 - ANS Alignment device



C617, 4.2



Perpendicularity requirement of the axis of a cylindrical specimen is ___° .

C617 - ANS 0.5°



C617, 4.2



The element of a melting pot that ensures against accidents during the reheating
of cooled sulfur.

C617 - ANS Peripheral Heating



C617, 4.3.1



Temperature of the sulfur mortar pot / materials.

C617 - ANS 265 - 290°F (130 - 145°C)

, C617, 5.4.2



Capping material to be used on freshly molded cylinders.

C617 - ANS Neat Portland Cement paste



C617, 6.1



Remove this from the end of cylinders before capping.

C617 - ANS oily or waxy materials



C617, 6.2.1



Materials that can be used to cap hardened cement concrete cylinders are ___ ,
___ , ___ .

C617 - ANS Neat Portland Cement, Gypsum Cement, Sulfur mortar



C617, 1.1



Plaster of paris is an example of a high-strength plaster. (T/F)

C617 - ANS False

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