CT 125 EXAM QUESTIONS AND
ANSWERS 2026 VERIFIED.
What is the CT 125 test method used for? - ANS Procedures for obtaining representative
samples of various highway materials & products incorporated in roadway pavement structure
sections
Minimum number of splitter chutes - ANS For coarse aggregate - minimum of 8; fine agg -
minimum of 12;
What is t minimum width of individual chutes for sample splitters - ANS Chutes shall be
approx 50% larger than the largest particle size
What is the minimum sample size that should be obtained? - ANS Enough to perform the
specific tests needed.
A representative sample is defined as: - ANS The taking of all materials in the same
proportion as they exist or will be used.
What size canvas is used to split samples in the field? - ANS 5 ft x5ft
How many sizes of splitters are there? - ANS 3 - small, medium, large
@2026/2027 ALLRIGHTS RESERVED.
, When drying a sample And air drying is not practical, what temp can material be heated at? -
ANS 140 defrees
When is drying at 230 degrees permitted? - ANS When all subsequent tests require or permit
drying at 230 degrees
When combining samples, what is the preferred method? - ANS A riffle splitter
If combining samples will result in samples in excess of 100lbs, what should be done? -
ANS Split each sample separately and combine the smaller portions
What temp can splitter, accessory equipment and tools be heated to? - ANS 230 degrees
When drying RAP material, what temp must not be exceeded during drying? - ANS 230
degrees +\- 9degree
When using riffle splitter, what condition must sample be in? - ANS Free flowing
What should you do after splitting sample on a riffle splitter? - ANS Clean excess material
ofter each use?
Quartering a sample On a canvas can be useD on samples up to how many pounds? -
ANS 100 lbs
When quartering with a canvas, what other tool (s) is needed to complete the splitting? -
ANS Stick or shovel
@2026/2027 ALLRIGHTS RESERVED.
ANSWERS 2026 VERIFIED.
What is the CT 125 test method used for? - ANS Procedures for obtaining representative
samples of various highway materials & products incorporated in roadway pavement structure
sections
Minimum number of splitter chutes - ANS For coarse aggregate - minimum of 8; fine agg -
minimum of 12;
What is t minimum width of individual chutes for sample splitters - ANS Chutes shall be
approx 50% larger than the largest particle size
What is the minimum sample size that should be obtained? - ANS Enough to perform the
specific tests needed.
A representative sample is defined as: - ANS The taking of all materials in the same
proportion as they exist or will be used.
What size canvas is used to split samples in the field? - ANS 5 ft x5ft
How many sizes of splitters are there? - ANS 3 - small, medium, large
@2026/2027 ALLRIGHTS RESERVED.
, When drying a sample And air drying is not practical, what temp can material be heated at? -
ANS 140 defrees
When is drying at 230 degrees permitted? - ANS When all subsequent tests require or permit
drying at 230 degrees
When combining samples, what is the preferred method? - ANS A riffle splitter
If combining samples will result in samples in excess of 100lbs, what should be done? -
ANS Split each sample separately and combine the smaller portions
What temp can splitter, accessory equipment and tools be heated to? - ANS 230 degrees
When drying RAP material, what temp must not be exceeded during drying? - ANS 230
degrees +\- 9degree
When using riffle splitter, what condition must sample be in? - ANS Free flowing
What should you do after splitting sample on a riffle splitter? - ANS Clean excess material
ofter each use?
Quartering a sample On a canvas can be useD on samples up to how many pounds? -
ANS 100 lbs
When quartering with a canvas, what other tool (s) is needed to complete the splitting? -
ANS Stick or shovel
@2026/2027 ALLRIGHTS RESERVED.
