PCI Level I & II Questions and Answers
ASTM
American Society for Testing and Materials
ASTM C31/C31M
Making and Curing Concrete Test Specimens in the Field
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PCI Level I & II Questions and Answers
ASTM - answer American Society for Testing and Materials
ASTM C31/C31M - answer Making and Curing Concrete Test Specimens in the Field
Granular materials used with cementing medium to form hydraulic-cement, concrete, or
mortar are called? - answer Aggregates
ASTM C138 - answer 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? - answer 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? - answer Bowing
The finish of concrete cast without forms that usually requires manual or machine finish
is called - answer Unformed Surface Finish
The finish of concrete cast directly against a form is called - answer As-Cast Formed
Finish
ASTM C143 - answer 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? - answer Bond Breaker
ASTM C172 - answer 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 _______________ - answer Admixture
ASTM C173 - answer Standard Test Method for Air Content of Freshly Mixed
Concrete by the Volumetric Method
ASTM C231 - answer Standard Test Method for Air Content of Freshly Mixed
Concrete by the Pressure Method
, ASTM C1064 - answer Standard Test Method for Temperature of Freshly Mixed
Hydraulic-Cement Concrete
PCI MNL-130 - answer GFRC
QSM - answer Quality System Manual
AWS D1.1 - answer Structural Welding Code Steel
ASTM A706 - answer Reinforcing Steel does include weldability as a required
property
For aggregates predominantly retained on the #4 sieve, the portion retained are called?
- answer Coarse Aggregates
Cements must conform to - answer ASTM C150
Lightweight Concrete must conform to - answer ASTM C330
Fine and Coarse Aggregates must conform to - answer 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. - answer 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 - answer False (No test is required)
Well water used for batching is required to be tested - answer Annually
SCC stands for - answer Self-Consolidating Concrete
ASTM C1611 - answer SCC Slump flow test
Compaction - answer 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 - answer
0
Calcium Chloride is not allowed in admixtures because it causes - answer Corrosion
Consolidation - answer process of inducing a closer arrangement of solid particles in
freshly mixed concrete with or without vibration, rodding, tamping e.t.c
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