ACI Aggregate Testing Technician - Level 1 -
Section 5 Exam Questions And Answers
The method is appropriate for coarse but not ____ aggregate. -
(correct answer) -Lightweight
SSD refers to _____ - _____ - _____ condition. - (correct answer) -
saturated-surface-dry
To calculate the volume of aggregate in a mixture (including the
voids between the particles) is to determine the ______. - (correct
answer) -Bulk specific gravity
When the mass of the water within the voids after 24-hour
absorption is included in the volume of aggregate, you are
calculating the ______. - (correct answer) -Relative specific gravity
(SSD)
Computing the impermeable portion of the aggregate is finding the
_____. - (correct answer) -Apparent specific gravity
The laboratory standard for absorption is the level obtained after
____ of soaking. - (correct answer) -15 hr
Absorption values pertain to the ____ in the mass of the aggregate
due to ____ absorbed in the pores. - (correct answer) -Change, water
Section 5 Exam Questions And Answers
The method is appropriate for coarse but not ____ aggregate. -
(correct answer) -Lightweight
SSD refers to _____ - _____ - _____ condition. - (correct answer) -
saturated-surface-dry
To calculate the volume of aggregate in a mixture (including the
voids between the particles) is to determine the ______. - (correct
answer) -Bulk specific gravity
When the mass of the water within the voids after 24-hour
absorption is included in the volume of aggregate, you are
calculating the ______. - (correct answer) -Relative specific gravity
(SSD)
Computing the impermeable portion of the aggregate is finding the
_____. - (correct answer) -Apparent specific gravity
The laboratory standard for absorption is the level obtained after
____ of soaking. - (correct answer) -15 hr
Absorption values pertain to the ____ in the mass of the aggregate
due to ____ absorbed in the pores. - (correct answer) -Change, water
