CE 3700 Midterm Exam with complete
solutions 2025
The .predominant .construction .material .in .terms .of .volume .of .use .- .CORRECT
.ANSWERS-aggregates
Aggregates .alone .are .used .for .___ .- .CORRECT .ANSWERS-road .base .and
.various .types .of .fill
Aggregates .as .a .binder .are .used .for .___ .- .CORRECT .ANSWERS-asphalt .cement
.or .Portland .cement
Aggregates .are .classified .by .their .____ .- .CORRECT .ANSWERS-1. .Source
2. .Specific .Gravity
3. .Size
4. .Petrography
Petrography .- .CORRECT .ANSWERS-the .description .and .systematic
.classification .of .rocks, .aided .by .the .microscopic .examination .of .thin .sections
Two .types .of .aggregates .- .CORRECT .ANSWERS-1. .Natural .Aggregates .- .rocks
2. .Artificial .- .byproduct .of .another .system
Natural .Aggregates .(natural .gravel, .natural .sand) .are .found .in .nature .through
.____ .- .CORRECT .ANSWERS-quarrying, .crushing, .washing, .sieving
Artificial .Aggregate .examples .- .CORRECT .ANSWERS-1. .Blast-furnace .slag
.(stone-like .material .that .is .by .product .from .the .manufacture .of .iron)
2. .Fly-ash
3. .Manufactured .light .weight .aggregate .(made .from .expanded .shale .or .clay)
4. .Crushed .waste .concrete
5. .Crushed .bricks
Specific .Gravity .of .Light .Weight .Aggregates .- .CORRECT .ANSWERS-<2.4
Specific .Gravity .of .Normal .Weight .Aggregates .- .CORRECT .ANSWERS-2.4 .- .2.8
, Specific .Gravity .of .Heavy .Weight .Aggregates .- .CORRECT .ANSWERS->2.8
Coarse .aggregate .- .CORRECT .ANSWERS-Retained .on .No. .4 .Sieve
Fine .Aggregate .- .CORRECT .ANSWERS-Passing .No. .4 .Sieve
Filler .- .CORRECT .ANSWERS->70% .passing .No. .200 .Sieve
Properties .of .Aggregates .- .CORRECT .ANSWERS-1. .Gradation
2. .Specific .Gravity .
3. .Absorption .and .Surface .Moisture
4. .Shape .and .Surface .Textures
5. .Soundness
6. .Durability
Gradation .is ._____ .- .CORRECT .ANSWERS-Distribution .of .particle .size .of
.aggregate
Gradation .is .determined .by .____ .- .CORRECT .ANSWERS-ASTM .C .136 .Sieve
.Analysis .of .Fine .and .Coarse .Aggregates
Wire-mesh .sieves .have .____ .opening .- .CORRECT .ANSWERS-square
Why .is .gradation .used? .- .CORRECT .ANSWERS-1. .Determine .grading .of
.materials .proposed .for .use .as .aggregate
2. .Check .compliance .with .specification .requirements
Sieves .at .the .bottom .have .the .____ .openings .- .CORRECT .ANSWERS-smallest
Fineness .Module .(FM) .- .CORRECT .ANSWERS-measure .of .the .gradation .of .the
.fine .aggregate
Fineness .Module .is .the .sum .of .the ._____ .on .the .seven .sieve .sizes .___ .-
.CORRECT .ANSWERS-percent .retained
3/8, .No. .4, .No.8, .No. .16, .No. .30, .No. .50, .No. .100
Specific .Gravity .provides .relationship .between .____ .- .CORRECT .ANSWERS-
mass .and .volume
Specific .Gravity .(G) .= .- .CORRECT .ANSWERS-[Wt. .of .Agg.] ./ .[Volume .of .Agg .*
.unit .wt .of .water]
Each .aggregate .is .made .of .___ .- .CORRECT .ANSWERS-solid .volume, .pores
.(may .or .may .not .be .accessible .to .water)
solutions 2025
The .predominant .construction .material .in .terms .of .volume .of .use .- .CORRECT
.ANSWERS-aggregates
Aggregates .alone .are .used .for .___ .- .CORRECT .ANSWERS-road .base .and
.various .types .of .fill
Aggregates .as .a .binder .are .used .for .___ .- .CORRECT .ANSWERS-asphalt .cement
.or .Portland .cement
Aggregates .are .classified .by .their .____ .- .CORRECT .ANSWERS-1. .Source
2. .Specific .Gravity
3. .Size
4. .Petrography
Petrography .- .CORRECT .ANSWERS-the .description .and .systematic
.classification .of .rocks, .aided .by .the .microscopic .examination .of .thin .sections
Two .types .of .aggregates .- .CORRECT .ANSWERS-1. .Natural .Aggregates .- .rocks
2. .Artificial .- .byproduct .of .another .system
Natural .Aggregates .(natural .gravel, .natural .sand) .are .found .in .nature .through
.____ .- .CORRECT .ANSWERS-quarrying, .crushing, .washing, .sieving
Artificial .Aggregate .examples .- .CORRECT .ANSWERS-1. .Blast-furnace .slag
.(stone-like .material .that .is .by .product .from .the .manufacture .of .iron)
2. .Fly-ash
3. .Manufactured .light .weight .aggregate .(made .from .expanded .shale .or .clay)
4. .Crushed .waste .concrete
5. .Crushed .bricks
Specific .Gravity .of .Light .Weight .Aggregates .- .CORRECT .ANSWERS-<2.4
Specific .Gravity .of .Normal .Weight .Aggregates .- .CORRECT .ANSWERS-2.4 .- .2.8
, Specific .Gravity .of .Heavy .Weight .Aggregates .- .CORRECT .ANSWERS->2.8
Coarse .aggregate .- .CORRECT .ANSWERS-Retained .on .No. .4 .Sieve
Fine .Aggregate .- .CORRECT .ANSWERS-Passing .No. .4 .Sieve
Filler .- .CORRECT .ANSWERS->70% .passing .No. .200 .Sieve
Properties .of .Aggregates .- .CORRECT .ANSWERS-1. .Gradation
2. .Specific .Gravity .
3. .Absorption .and .Surface .Moisture
4. .Shape .and .Surface .Textures
5. .Soundness
6. .Durability
Gradation .is ._____ .- .CORRECT .ANSWERS-Distribution .of .particle .size .of
.aggregate
Gradation .is .determined .by .____ .- .CORRECT .ANSWERS-ASTM .C .136 .Sieve
.Analysis .of .Fine .and .Coarse .Aggregates
Wire-mesh .sieves .have .____ .opening .- .CORRECT .ANSWERS-square
Why .is .gradation .used? .- .CORRECT .ANSWERS-1. .Determine .grading .of
.materials .proposed .for .use .as .aggregate
2. .Check .compliance .with .specification .requirements
Sieves .at .the .bottom .have .the .____ .openings .- .CORRECT .ANSWERS-smallest
Fineness .Module .(FM) .- .CORRECT .ANSWERS-measure .of .the .gradation .of .the
.fine .aggregate
Fineness .Module .is .the .sum .of .the ._____ .on .the .seven .sieve .sizes .___ .-
.CORRECT .ANSWERS-percent .retained
3/8, .No. .4, .No.8, .No. .16, .No. .30, .No. .50, .No. .100
Specific .Gravity .provides .relationship .between .____ .- .CORRECT .ANSWERS-
mass .and .volume
Specific .Gravity .(G) .= .- .CORRECT .ANSWERS-[Wt. .of .Agg.] ./ .[Volume .of .Agg .*
.unit .wt .of .water]
Each .aggregate .is .made .of .___ .- .CORRECT .ANSWERS-solid .volume, .pores
.(may .or .may .not .be .accessible .to .water)