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ASTM - Correct Answers American Society for Testing and Materials
ASTM C31/C31M - Correct Answers Making and Curing Concrete Test Specimens in the Field
Granular materials used with cementing medium to form hydraulic-cement, concrete, or mortar
are called? - Correct Answers Aggregates
ASTM C138 - Correct Answers This test method covers determination of the density of freshly
mixed concrete and gives formulas for calculating the unit weight, yield or relative yield, cement
content, and air content of the concrete.
Water that rises to the surface of a freshly placed concrete is called? - Correct Answers Bleed
Water
A condition where two parallel edges of the panel are in the same plane and the portions of the
panel between the edges is out of plane is called? - Correct Answers Bowing
The finish of concrete cast without forms that usually requires manual or machine finish is
called - Correct Answers Unformed Surface Finish
The finish of concrete cast directly against a form is called - Correct Answers As-Cast Formed
Finish
ASTM C143 - Correct Answers Standard Test Method for Slump of Hydraulic-Cement Concrete
,A substance placed on a material to prevent it from bonding to the concrete or between a face
material and the concrete backup is called? - Correct Answers Bond Breaker
ASTM C172 - Correct Answers Standard Practice for Sampling Freshly Mixed Concrete
Material other than water, aggregates, cement, or fiber used in concrete, mortar, or grout
added to batch immediately before or during mixing to modify concrete properties is called
_______________ - Correct Answers Admixture
ASTM C173 - Correct Answers Standard Test Method for Air Content of Freshly Mixed Concrete
by the Volumetric Method
ASTM C231 - Correct Answers Standard Test Method for Air Content of Freshly Mixed Concrete
by the Pressure Method
ASTM C1064 - Correct Answers Standard Test Method for Temperature of Freshly Mixed
Hydraulic-Cement Concrete
PCI MNL-130 - Correct Answers GFRC
QSM - Correct Answers Quality System Manual
AWS D1.1 - Correct Answers Structural Welding Code Steel
ASTM A706 - Correct Answers Reinforcing Steel does include weldability as a required property
For aggregates predominantly retained on the #4 sieve, the portion retained are called? -
Correct Answers Coarse Aggregates
, Cements must conform to - Correct Answers ASTM C150
Lightweight Concrete must conform to - Correct Answers ASTM C330
Fine and Coarse Aggregates must conform to - Correct Answers ASTM C33
Fineness modulus of fine aggregates for structural products must always be within
_________________ to conform to ASTM C33. Architectural products are exempt when trying
to get a certain finish. - Correct Answers 2.3 to 3.1 with a variation of +/- 0.2 between
gradations
Portable or Municipal water used in batching is required to be tested annually? True or False -
Correct Answers False (No test is required)
Well water used for batching is required to be tested - Correct Answers Annually
SCC stands for - Correct Answers Self-Consolidating Concrete
ASTM C1611 - Correct Answers SCC Slump flow test
Compaction - Correct Answers process whereby the volume of concrete is reduced to minimal
practical space usually by vibration, tamping, or both.
Accelerating admixture are allowed to have ____________% calcium chloride - Correct Answers
0
Calcium Chloride is not allowed in admixtures because it causes - Correct Answers Corrosion