WorksheetsConcrete Properties and Processes Completion Worksheet
Total questions: 24
Worksheet time: 12mins
___ is hard, granular material that is mixed with cement to provide structure and strength in concrete.
Aggregate
Clay
Water
Plastic
A ground and calcined mixture of limestone, shells, cement rock, silica sand, clay, shale, iron ore, gypsum, and clinker is ___
Portland cement
Plaster of Paris
Quicklime
Hydrated lime
___ is a porous, whitish, flint-like quartz.
Chert
Obsidian
Basalt
Granite
___ is the deformation of a concrete member due to sustained loads.
Creep
Shrinkage
Torsion
Buckling
___ is the process of creating a close arrangement of solid particles in fresh concrete during placement by reducing the voids between the particles.
Consolidation
Curing
Mixing
Finishing
The ___ ratio is the ratio of pounds of water to pounds of cement per unit of concrete.
water-cement
aggregate-cement
sand-cement
cement-aggregate
___ is a chemical reaction between cement and water that bonds molecules, resulting in hardening of a concrete mixture.
Hydration
Oxidation
Sublimation
Fermentation
A(n) ___ is a shallow, conical depression in a concrete surface.
slump
void
crack
ridge
The hardening of concrete by chemical action is ___
hydration
oxidation
sublimation
evaporation
Cold weather concrete placement procedures are required when the mean daily temperature is less than ___°F.
40
32
50
45
A(n) ___ is a marble-sized pellet produced by burning a raw material in a kiln.
clinker
slag
gypsum
aggregate
___ concrete is a concrete mixture that has increased tensile strength due to tensile members placed in the concrete.
Reinforced
Plain
Lightweight
Precast
The ___ process is a shotcrete application process in which cement and damp aggregate are mixed in a mechanical feeder.
gunite
tunnel lining
formwork
precast
___ are small brick-like concrete blocks placed together to cover large areas.
Pavers
Tiles
Slabs
Bricks
In the early 1500s, the Spanish introduced a type of concrete called ___ that consisted of lime, sand, and aggregate of gravel, shells, or stones mixed with water.
tabby
stucco
adobe
terra cotta
___ is a comparison of the mass of a sample volume compared to an equal volume of water.
Specific gravity
Density
Viscosity
Buoyancy
A(n) ___ is a liquid mixture with just enough water to make the materials fluid.
slurry
paste
gel
emulsion
Bags of cement for consumer use generally contain 1 cu ft of cement and weigh ___ lb.
94
80
100
120
___ is the use of water to cover concrete during the curing process.
Curing
Mixing
Finishing
Reinforcing
___ are fine surface cracks.
Crazing
Efflorescence
Spalling
Scaling
A steel bar containing lugs that allow bars to interlock with concrete is known as ___?
rebar
girder
joist
stud
Measuring the flowability of concrete is accomplished using a(n) ___ with a precision tapered cone.
slump test
compression test
rebound hammer test
core cutter test
A(n) ___ is a large oven used to heat material at a constant temperature.
kiln
furnace
microwave
refrigerator
___ is the measured maximum resistance of concrete to axial loading, which is expressed as a force per cross-sectional area.
Compressive strength
Tensile strength
Flexural strength
Shear strength
