Exam (elaborations)
PCI Level I & II QUESTIONS AND ANSWERS 2024
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Exam of 12 pages for the course pci at pci (PCI Level I & II)
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PCI Level I & IIASTM - 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? - answerBowing
The finish of concrete cast without forms that usually requires manual or machine finish
is called - answerUnformed Surface Finish
The finish of concrete cast directly against a form is called - answerAs-Cast Formed
Finish
ASTM C143 - answerStandard 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? - answerBond Breaker
ASTM C172 - answerStandard 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 _______________ - answerAdmixture
ASTM C173 - answerStandard Test Method for Air Content of Freshly Mixed Concrete
by the Volumetric Method
ASTM C231 - answerStandard Test Method for Air Content of Freshly Mixed Concrete
by the Pressure Method
, ASTM C1064 - answerStandard Test Method for Temperature of Freshly Mixed
Hydraulic-Cement Concrete
PCI MNL-130 - answerGFRC
QSM - answerQuality System Manual
AWS D1.1 - answerStructural Welding Code Steel
ASTM A706 - answerReinforcing Steel does include weldability as a required property
For aggregates predominantly retained on the #4 sieve, the portion retained are called?
- answerCoarse Aggregates
Cements must conform to - answerASTM C150
Lightweight Concrete must conform to - answerASTM C330
Fine and Coarse Aggregates must conform to - answerASTM 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. - answer2.3 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 - answerFalse (No test is required)
Well water used for batching is required to be tested - answerAnnually
SCC stands for - answerSelf-Consolidating Concrete
ASTM C1611 - answerSCC Slump flow test
Compaction - answerprocess 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 -
answer0
Calcium Chloride is not allowed in admixtures because it causes - answerCorrosion
Consolidation - answerprocess 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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