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Exam (elaborations)

ASTM C173 Concrete Air Content Testing: Aggregate Types, Equipment, and Procedures Questions with Verified Correct Answers

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ASTM C173 Concrete Air Content Testing: Aggregate Types, Equipment, and Procedures Questions with Verified Correct Answers

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ASTM C173 Concrete Air Content Testing:
Aggregate Types, Equipment, and Procedures
Questions with Verified Correct Answers
What types of aggregate can the volumetric method of determining air content of

concrete be used on?

The method can be used on heavy aggregates, air-cooled slag, highly porous or vesicular

natural aggregates. (ALL)

What is unique about the tamping rod used in the ASTM C173 test method compared

to C231?

It can be plastic instead of steel.

What is unique about the strike-off bar used in the ASTM C173 test method compared

to C231?

It can be plastic or metal

What is the approximate volume of the calibrated measuring cup used to add water to

the air meter?

The calibrated measuring cup is approximately 1% of the volume of the measuring bowl.

What type of alcohol and concentration is used in the ASTM C173 test method?

Isopropyl alcohol 70% by volume.

What is the weight of the mallet used for the ASTM C173 test method?

The mallet weighs approximately 1.25 lbs.

In accordance with what ASTM practice is the sample for the ASTM C173 test

collected?

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