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2024 ACI AGGREGATE TESTING TECHNICIAN - LEVEL 1 - SECTION 1 (AASHTO T 2/ASTM 075 STANDARD METHON OF TEST FOR SAMPLING OF AGGREGATES) QUIZZES & ANS!!
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2024 ACI AGGREGATE TESTING TECHNICIAN - LEVEL 1 - SECTION 1 (AASHTO T 2/ASTM 075 STANDARD METHON OF TEST FOR SAMPLING OF AGGREGATES) QUIZZES & ANS!!

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  • May 10, 2024
  • 12
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • 2024 aci aggregate testing technician level 1

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  • ACI AGGREGATE TESTING
  • ACI AGGREGATE TESTING

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2024 ACI AGGREGATE TESTING TECHNICIAN -
LEVEL 1 - SECTION 1 (AASHTO T 2/ASTM 075
STANDARD METHON OF TEST FOR SAMPLING OF
AGGREGATES) QUIZZES & ANS!!
Following are three of the four purposes for which aggregates are sampled;
supply the fourth.
Aggregates are sampled:
a) for the acceptance or rejection of materials.
b) for the control of operations at the site of use.
c) for preliminary investigation of the potential source of supply.
d) ___________________
b) For the control of the product at the source of supply
Sampling should be done very carefully because it is as important as _____.
Testing
A variety of people involved in the use of the aggregate samples are responsible
for obtaining the
samples. True or False?
True
The _____ or _____ should obtain samples related to the control of production at
the source or related to the control of the work at the site.
Manufacturers, contractors
The purchaser is responsible for obtaining samples for preliminary investigation
tests. True or False?
False; purchaser is responsible for obtaining samples used in acceptance or rejection
decisions
Samples to be tested for quality should, when possible, be obtained from the
_____.
Finished product
Appropriate equipment for inspection and sampling should be provided by _____
a) the seller
b) the purchaser
c) the salesperson
d) the user
a) the seller
Use a ____ method for selecting samples from conveyor belts.
Random
The four sources from which field samples can be obtained include:
1) flowing aggregate streams;
2) ______
3) ______ or / and
4) _____
Conveyor belts, stockpiles or transportation units, roadway bases

, Sampling from stockpiles should follow the standard method for all sampling so
that there will be confidence in the results obtained. True or False?
False; you should design a sampling plan for the specific case under
consideration
The number of ______ required by any of the methods depends on the criticality
of and variation in the properties to be measured.
Field samples
The field sample masses are based on the ____ and ____ of tests that will be run.
Type, number
Shipping containers for aggregate samples should be made so that the contents
will not be lost, ____ or ___.
Contaminated, damaged
The reason it is difficult to obtain unbiased samples from stockpiles is because
coarse and fine particles become segregated. True or False?
True
____ can help in obtaining accurate samples from stockpiles.
Power equipment

Following are three of the four purposes for which aggregates are sampled;
supply the fourth.
Aggregates are sampled:
a) for the acceptance or rejection of materials.
b) for the control of operations at the site of use.
c) for preliminary investigation of the potential source of supply.
d) ___________________
b) For the control of the product at the source of supply
Sampling should be done very carefully because it is as important as _____.
Testing
A variety of people involved in the use of the aggregate samples are responsible
for obtaining the
samples. True or False?
True
The _____ or _____ should obtain samples related to the control of production at
the source or related to the control of the work at the site.
Manufacturers, contractors
The purchaser is responsible for obtaining samples for preliminary investigation
tests. True or False?
False; purchaser is responsible for obtaining samples used in acceptance or rejection
decisions
Samples to be tested for quality should, when possible, be obtained from the
_____.
Finished product
Appropriate equipment for inspection and sampling should be provided by _____
a) the seller
b) the purchaser

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