COSC 253 Final Exam questions well
answered to pass
Concrete Division in CSI - correct answer ✔✔03
4 Ingredients in Concrete - correct answer ✔✔Portland Cement, Air, Water, Aggregate
Most Common Concrete Standard - correct answer ✔✔ASTM C150
ASTM stands for - correct answer ✔✔American Standard for Testing and Materials
Concrete Type 1 - correct answer ✔✔Normal Everyday Use, Sidewalks, res foundation, driveways,
3000PSI
Concrete Type 2 - correct answer ✔✔Moderate Strength
Concrete Type 3 - correct answer ✔✔High Early Strength, good for deadlines
Concrete Type 4 - correct answer ✔✔Low Heat, cures slower, for hot enviroments
Concrete Type 5 - correct answer ✔✔Sulfate Resisting, resists wear from pollutants
Admixture - correct answer ✔✔Chemical ingredients other than 4 basic components that are added
before or during mixing to change concretes properties
Pre Cast Concrete - correct answer ✔✔Poured and cured in a factory, erected as rigid components, "tilt
up"
, ICF - correct answer ✔✔Insulate Concrete Form
Fly Ash - correct answer ✔✔Slows heat of hydration, prevents cracking
Water to cement ratio - correct answer ✔✔Determines concrete strength
ASTM Standard for Portland Cement - correct answer ✔✔ASTM C94
Live Loads - correct answer ✔✔People, can change
Dead Loads - correct answer ✔✔Weight of structure, does not change
Wind Loads - correct answer ✔✔Force of wind, can change
Mock Up - correct answer ✔✔pre made sample that ensures customer satisfaction
Bleeding - correct answer ✔✔the first step in concrete finishing, water rises to the top
Post Tensioning - correct answer ✔✔after concrete is in place, steel is set and tensioned in place
Pre Stressing - correct answer ✔✔Applying a force to the steel cable inside the concrete before pouring
Rebar Deformations - correct answer ✔✔Increase the grip on the concrete
OCEW - correct answer ✔✔On Center Each Way
Air Entraining - correct answer ✔✔Acts as insulation, handles freeze thaw cycle better
answered to pass
Concrete Division in CSI - correct answer ✔✔03
4 Ingredients in Concrete - correct answer ✔✔Portland Cement, Air, Water, Aggregate
Most Common Concrete Standard - correct answer ✔✔ASTM C150
ASTM stands for - correct answer ✔✔American Standard for Testing and Materials
Concrete Type 1 - correct answer ✔✔Normal Everyday Use, Sidewalks, res foundation, driveways,
3000PSI
Concrete Type 2 - correct answer ✔✔Moderate Strength
Concrete Type 3 - correct answer ✔✔High Early Strength, good for deadlines
Concrete Type 4 - correct answer ✔✔Low Heat, cures slower, for hot enviroments
Concrete Type 5 - correct answer ✔✔Sulfate Resisting, resists wear from pollutants
Admixture - correct answer ✔✔Chemical ingredients other than 4 basic components that are added
before or during mixing to change concretes properties
Pre Cast Concrete - correct answer ✔✔Poured and cured in a factory, erected as rigid components, "tilt
up"
, ICF - correct answer ✔✔Insulate Concrete Form
Fly Ash - correct answer ✔✔Slows heat of hydration, prevents cracking
Water to cement ratio - correct answer ✔✔Determines concrete strength
ASTM Standard for Portland Cement - correct answer ✔✔ASTM C94
Live Loads - correct answer ✔✔People, can change
Dead Loads - correct answer ✔✔Weight of structure, does not change
Wind Loads - correct answer ✔✔Force of wind, can change
Mock Up - correct answer ✔✔pre made sample that ensures customer satisfaction
Bleeding - correct answer ✔✔the first step in concrete finishing, water rises to the top
Post Tensioning - correct answer ✔✔after concrete is in place, steel is set and tensioned in place
Pre Stressing - correct answer ✔✔Applying a force to the steel cable inside the concrete before pouring
Rebar Deformations - correct answer ✔✔Increase the grip on the concrete
OCEW - correct answer ✔✔On Center Each Way
Air Entraining - correct answer ✔✔Acts as insulation, handles freeze thaw cycle better
