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

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

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ACI Aggregate Testing Technician -
ti ti ti ti




Level 1
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1. AASHTO R 90
Testing
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Sampling should be done very carefully because ti ti ti ti ti ti




it is as important as
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2. AASHTO R 90
1) Conveyor belts
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The four sources that a field sample can be
t i t i t i t i t i t i t i t i
20 Transport ti




obtained from are:
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belts
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3)Roadways
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3. AASHTO R 90 ti ti
4) Stockpiles
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Contaminated;
Shipping containers for aggregate samples
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should be made so that the contents will not be
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ti damaged
lost,
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4. AASHTO R 76 ti ti


Nonrepresentative

Unless the procedures recommended here are ti ti ti ti ti




carried out precisely, a _ sample can result.
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5. AASHTO R 76 ti ti


False

Generally speaking, small samples are most ti ti ti ti ti




represen- tative of the total supply.
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True/ False ti




6. AASHTO R 76 ti ti


Ditterences

There are some instances in which between
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the test samples can't be avoided.
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ti ti

, ACI Aggregate Testing Technician -
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Level 1
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7. AASHTO R 76 ti ti Entire





ti ti

, ACI Aggregate Testing Technician - ti ti ti ti




Level 1 ti ti




When reduction of the field sample before testing
ti ti ti ti ti ti ti pans.
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isn't recommended, the field sample should
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be tested.ti ti




8. AASHTO R 76 ti ti




What determines whether large-sized particles are
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equally distributed among the test samples that
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have been reduced.
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9. AASHTO R 76 ti ti




Method A, the ----- method, must be used with fine,
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dry aggregate.
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10. AASHTO R 76 ti ti




If method B or C is to be used,
ti ti ti ti ti ti ti ti ti the sample. ti




11. AASHTO R 76 ti ti




If Method A is to be used and the sample is wet,
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the sample.
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12. AASHTO R 76 ti ti




Method C, miniature stockpiling, cannot be used t i t i t i t i t i t i




for t i




or mixtures of coarse and fine aggregate.
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13. AASHTO R 76 ti ti




Method involves the use of chutes, holding ti ti ti ti ti ti




re- ceptacles, and hoppers or straight edge
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ti ti

, ACI Aggregate Testing Technician -
ti ti ti ti




Level 1
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Moisten



Dry
Laws of chance
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Coarse Aggregates.
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Mechanical splitter ti




A


4. 8; 12 ti





ti ti

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