ACI Aggregate Testing Technician - Level 1 Quizz With Complete Solution..pdf

ACI Aggregate Testing Technician -
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Level 1
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1. AASHTO R 90 bti bti Testing

Sampling should be done very carefully because it is bti bti bti bti bti bti bti bti bti



as important as
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2. AASHTO R 90 1) Conveyor belts
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20 Transport belts bit bti bti


The four sources that a field sample can be obtai 3)Roadways
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ned from are: bti
4) Stockpiles Contaminat
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3. AASHTO R 90 bti bti ed; damaged
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Shipping containers for aggregate samples should be bti bti bti bti bti bti bti



made so that the contents will not be lost,
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4. AASHTO R 76 bti bti Nonrepresentative

Unless the procedures recommended here are carried bti bti bti bti bti bti bti



out precisely, a _ sample can result.
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5. AASHTO R 76 bti bti False

Generally speaking, small samples are most represen- bti bti bti bti bti bti



tative of the total supply.
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6. AASHTO R 76 bti bti Ditterences

There are some instances in which bti bti bti bti bti bti



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bti test samples can't be avoided.
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7. AASHTO R 76 bti bti Entire
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, ACI Aggregate Testing Technician -
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Level 1
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When reduction of the field sample before testing is
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n't recommended, the
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field sample should be bti bti bti bti



tested.
Laws of chance
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8. AASHTO R 76 bti bti




What determines whether large-
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sized particles are equally distributed among the test s
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amples that have been reduced. bti bti bti bti


Mechanical splitter
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9. AASHTO R 76 bti bti




Method A, the ----- bti bti bti



method, must be used with fine, dry aggregate.
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Moisten
10. AASHTO R 76 bti bti




If method B or C is to be used,
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Dry
11. AASHTO R 76 bti bti




If Method A is to be used and the sample is wet,
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the sample. bti


Coarse Aggregates.
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12. AASHTO R 76 bti bti




Method C, miniature stockpiling, cannot be used
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for
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or mixtures of coarse and fine aggregate. A b t i b t i b t i b t i b t i b t i




13. AASHTO R 76 bti bti




Method involves the use of chutes, holding re-
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ceptacles, and hoppers or straight edge pans.
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, ACI Aggregate Testing Technician -
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Level 1
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14. 8; 12
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, ACI Aggregate Testing Technician -
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Level 1
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AASHTO R 76 bti bti




Sample splitters must have bti bti bti bti



equal width chutes for co bti bti bti bti



urse aggregate and bti for fine aggregate. bti bti bti bti


Evenness
15. AASHTO R 76 bti bti




The differences or variations in the procedures of m
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ethod B are based on the bti of the floors surface.
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Conical pile
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16. AASHTO R 76 bti bti




In methods B and C, the sample is shoveled into a
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before it is flattened and divided.bti bti bti bti bti


Canvas blanket or tear re-
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17. AASHTO R 76 bti bti



sistant tarp
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In using the alternate procedure in method B, the field
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sample may be placed on a(n) . bti bti bti bti bti bti




18. AASHTO R 76 bti bti

During this te bti bti




In quartering, retain two
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st method, w
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quarters and reject the bti bti bti bti
ater-
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ials, clay parti
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19. AASHTO R 76 bti bti cles, and inci bti bti



dental aggre bti


In miniature stockpile sampling, obtain the sample
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gate particles bti


by selecting at least
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are re-
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locations in the stockpile. b t i b t i b t i




20. AASHTO T 11 bti bti




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