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CIM 4330 Exam 1 questions and answers verified 2024
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CIM 4330 Exam 1 questions and answers verified 2024
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CIM 4330 Exam 1What are the 3 primary goals of design? - correct answer ✔It must meet the
engineers specifications, Acceptable workability, Durability, strength and
appearance
_____________ is the most universally used measure for concrete
quality. - correct answer ✔Strength
What are 4 factors that determine strength? - correct answer ✔w/c ratio,
paste bond, aggregate size/quality, time
What are 2 examples of cementitious materials? - correct answer ✔Cement
and fly ash
Name 3 ways to reduce water demand - correct answer ✔Increase air,
Increase aggregate size, reduce slump
Typically reduces water demand by 5% to 10% - correct answer ✔Low range
Typically reduces water demand by 10% to 20% - correct answer ✔Mid
range
Typically reduces water demand by 20% to 30% - correct answer ✔High
range
natural, mined from limited deposits near rivers, lakes and
pits
, 1. Rounded and smooth
2. Great for ease of workability and finishability
3. Smooth rounded surface can lessen overall compressive
strength from poor paste bonding - correct answer ✔Gravel
Most common in our region
1. Derived from crushing large blasted pieces in a quarry
2. Can be sized from 2" to 3/8"(CA) and commonly used as a Fine
agg (sand) for concrete applications
3. Less ease of workability than natural materials
4. Rough cubicle/angular surfaces create much stronger bonding
surface for higher compressive strengths - correct answer ✔Crushed stone
1. Environmentally minded process
2. Suggested for use in pavements and non structural applications
3. Absorption rates higher than virgin material - correct answer ✔Recycled
Concrete Aggregate
Easy to calculate
Does not take actual
costs into account - correct answer ✔Mileage
Takes actual traffic
routes and patterns
into account
• Harder to calculate
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