ACI - Aggregate Base Testing Technician
{latest 2026 -2027 update} questions and
answers 100% correct
What determines whether large-size particles are equally distributed among test
samples that have been reduced? - correct answer Laws of chance
Which method of reducing a sample must be used with fine, dry aggregate? - correct
answer Method A, mechanical splitter
What must be done to the sample if method B or C is used? - correct answer Moisten
the sample
What do you do if the sample is wet and Method A is to be used? - correct answer Dry
the sample
,Method C, miniature stockpiling, cannot be used for which type of aggregate? - correct
answer Coarse aggregate, or mixtures of coarse and fine aggregate
Which method involves the use of chutes, holding receptacles, and hoppers or
straight-edged pans? - correct answer Method A
Sample splitters must have how many equal width chutes for coarse aggregate? -
correct answer 8
Sample splitters must have how many equal width chutes for fine aggregate? - correct
answer 12
In Methods B and C the sample is shoveled into a ____ before it is flattened and divided.
- correct answer conical pile
, T or F
According to AASHTO T 88, the scale accuracy for material passing the 2.00mm (No.10)
sieve shall be 0.01g. - correct answer False
T or F
According to ASTM D422, the scale accuracy for material passing the 2.00mm (No.10)
sieve shall be 0.01g - correct answer True
For samples with a maximum particle size of 50-mm (2in), the amount of material
retained on the 2.00mm (No. 10) sieve shall not be less than _____. - correct answer
4Kg
{latest 2026 -2027 update} questions and
answers 100% correct
What determines whether large-size particles are equally distributed among test
samples that have been reduced? - correct answer Laws of chance
Which method of reducing a sample must be used with fine, dry aggregate? - correct
answer Method A, mechanical splitter
What must be done to the sample if method B or C is used? - correct answer Moisten
the sample
What do you do if the sample is wet and Method A is to be used? - correct answer Dry
the sample
,Method C, miniature stockpiling, cannot be used for which type of aggregate? - correct
answer Coarse aggregate, or mixtures of coarse and fine aggregate
Which method involves the use of chutes, holding receptacles, and hoppers or
straight-edged pans? - correct answer Method A
Sample splitters must have how many equal width chutes for coarse aggregate? -
correct answer 8
Sample splitters must have how many equal width chutes for fine aggregate? - correct
answer 12
In Methods B and C the sample is shoveled into a ____ before it is flattened and divided.
- correct answer conical pile
, T or F
According to AASHTO T 88, the scale accuracy for material passing the 2.00mm (No.10)
sieve shall be 0.01g. - correct answer False
T or F
According to ASTM D422, the scale accuracy for material passing the 2.00mm (No.10)
sieve shall be 0.01g - correct answer True
For samples with a maximum particle size of 50-mm (2in), the amount of material
retained on the 2.00mm (No. 10) sieve shall not be less than _____. - correct answer
4Kg
