PCI LEVEL I & II QUESTIONS AND ANSWERS
ASTM - Answers :American Society for Testing and Materials
ASTM C31/C31M - 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? - Answers :Aggregates
ASTM C138 - 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? - 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? - Answers :Bowing
The finish of concrete cast without forms that usually requires manual or machine finish
is called - Answers :Unformed Surface Finish
The finish of concrete cast directly against a form is called - Answers :As-Cast Formed
Finish
ASTM C143 - 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? - Answers :Bond Breaker
ASTM C172 - 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 _______________ - Answers :Admixture
ASTM C173 - Answers :Standard Test Method for Air Content of Freshly Mixed
Concrete by the Volumetric Method
ASTM C231 - Answers :Standard Test Method for Air Content of Freshly Mixed
Concrete by the Pressure Method
ASTM C1064 - Answers :Standard Test Method for Temperature of Freshly Mixed
Hydraulic-Cement Concrete
PCI MNL-130 - Answers :GFRC
, QSM - Answers :Quality System Manual
AWS D1.1 - Answers :Structural Welding Code Steel
ASTM A706 - Answers :Reinforcing Steel does include weldability as a required
property
For aggregates predominantly retained on the #4 sieve, the portion retained are called?
- Answers :Coarse Aggregates
Cements must conform to - Answers :ASTM C150
Lightweight Concrete must conform to - Answers :ASTM C330
Fine and Coarse Aggregates must conform to - 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. - 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 - Answers :False (No test is required)
Well water used for batching is required to be tested - Answers :Annually
SCC stands for - Answers :Self-Consolidating Concrete
ASTM C1611 - Answers :SCC Slump flow test
Compaction - 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 -
Answers :0
Calcium Chloride is not allowed in admixtures because it causes - Answers :Corrosion
Consolidation - Answers :process of inducing a closer arrangement of solid particles in
freshly mixed concrete with or without vibration, rodding, tamping e.t.c
ASTM C1621 - Answers :Evaluates SCC ability to pass through a device that simulates
a reinforcing cage
ASTM C494 - Answers :Corrosion- inhibiting admixtures
ASTM - Answers :American Society for Testing and Materials
ASTM C31/C31M - 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? - Answers :Aggregates
ASTM C138 - 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? - 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? - Answers :Bowing
The finish of concrete cast without forms that usually requires manual or machine finish
is called - Answers :Unformed Surface Finish
The finish of concrete cast directly against a form is called - Answers :As-Cast Formed
Finish
ASTM C143 - 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? - Answers :Bond Breaker
ASTM C172 - 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 _______________ - Answers :Admixture
ASTM C173 - Answers :Standard Test Method for Air Content of Freshly Mixed
Concrete by the Volumetric Method
ASTM C231 - Answers :Standard Test Method for Air Content of Freshly Mixed
Concrete by the Pressure Method
ASTM C1064 - Answers :Standard Test Method for Temperature of Freshly Mixed
Hydraulic-Cement Concrete
PCI MNL-130 - Answers :GFRC
, QSM - Answers :Quality System Manual
AWS D1.1 - Answers :Structural Welding Code Steel
ASTM A706 - Answers :Reinforcing Steel does include weldability as a required
property
For aggregates predominantly retained on the #4 sieve, the portion retained are called?
- Answers :Coarse Aggregates
Cements must conform to - Answers :ASTM C150
Lightweight Concrete must conform to - Answers :ASTM C330
Fine and Coarse Aggregates must conform to - 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. - 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 - Answers :False (No test is required)
Well water used for batching is required to be tested - Answers :Annually
SCC stands for - Answers :Self-Consolidating Concrete
ASTM C1611 - Answers :SCC Slump flow test
Compaction - 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 -
Answers :0
Calcium Chloride is not allowed in admixtures because it causes - Answers :Corrosion
Consolidation - Answers :process of inducing a closer arrangement of solid particles in
freshly mixed concrete with or without vibration, rodding, tamping e.t.c
ASTM C1621 - Answers :Evaluates SCC ability to pass through a device that simulates
a reinforcing cage
ASTM C494 - Answers :Corrosion- inhibiting admixtures
