NICET Soils Level 1 Latest Questions and
Answers (2026) | Updated Comprehensive
Review with Detailed Rationales | A+ Verified
• Define C117 -✓✓The determination of the amount of material finer than a 75-
um (No.200) sieve
• What is the significance of C136? -✓✓-To determine the grading of materials,
-compliance of particle size distribution,
-provide data for control of production of various aggregate
-developing relationships concerning porosity and packing
• What procedure should always be used unless otherwise specified in c117? -
✓✓Procedure A
• What is an appropriate wetting agent to use for sieving through a No.200 sieve?
-✓✓Water or any dispersing agent that will promote separation of the fine
materials
• What should the temperature of the oven be when drying samples?(C117) -
✓✓110 °C (+-5)
• If used, how much wetting agent should be used in procedure B? C117 -
✓✓Enough to produce a small amount of suds when the sample was agitated
• Report the amount retained by wash by....?(C117) -✓✓<10%-report to the .1%
, >10%-report to the nearest whole number
• How long do you sieve material? C136 -✓✓so that not more than 1% of material
retained on any sieve will pass during 1 minute of hand sieving
• How accurate shall balances be fo fine aggregate? C136 -✓✓readable to the
nearest .1 Gram or .1%
• How accurate shall balances be for course aggregate or mixtures? C136 -
✓✓readable to the nearest .5 gram or nearest .1%
• What is the significance of C117? -✓✓Accurate determination of material finer
than 75-um in mineral aggregate by washing
• What practice is used for sampling aggregate? -✓✓D75
• The investigation of potential sample material should be performed by....? D75 -
✓✓A responsible, trained and experienced person
• What should a stockpile be visually inspected of? D75 -✓✓Discernable
Variations
• Where shall a sample be obtained where practicable?D75 -✓✓From the finished
product
Answers (2026) | Updated Comprehensive
Review with Detailed Rationales | A+ Verified
• Define C117 -✓✓The determination of the amount of material finer than a 75-
um (No.200) sieve
• What is the significance of C136? -✓✓-To determine the grading of materials,
-compliance of particle size distribution,
-provide data for control of production of various aggregate
-developing relationships concerning porosity and packing
• What procedure should always be used unless otherwise specified in c117? -
✓✓Procedure A
• What is an appropriate wetting agent to use for sieving through a No.200 sieve?
-✓✓Water or any dispersing agent that will promote separation of the fine
materials
• What should the temperature of the oven be when drying samples?(C117) -
✓✓110 °C (+-5)
• If used, how much wetting agent should be used in procedure B? C117 -
✓✓Enough to produce a small amount of suds when the sample was agitated
• Report the amount retained by wash by....?(C117) -✓✓<10%-report to the .1%
, >10%-report to the nearest whole number
• How long do you sieve material? C136 -✓✓so that not more than 1% of material
retained on any sieve will pass during 1 minute of hand sieving
• How accurate shall balances be fo fine aggregate? C136 -✓✓readable to the
nearest .1 Gram or .1%
• How accurate shall balances be for course aggregate or mixtures? C136 -
✓✓readable to the nearest .5 gram or nearest .1%
• What is the significance of C117? -✓✓Accurate determination of material finer
than 75-um in mineral aggregate by washing
• What practice is used for sampling aggregate? -✓✓D75
• The investigation of potential sample material should be performed by....? D75 -
✓✓A responsible, trained and experienced person
• What should a stockpile be visually inspected of? D75 -✓✓Discernable
Variations
• Where shall a sample be obtained where practicable?D75 -✓✓From the finished
product
