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PCI Level I & II Questions and Answers

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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 Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen Brainpower Read More ...

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  • October 31, 2024
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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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