Nicet Study Questions With Questions
And 100%Valid Solutions.
According to ASTM C117, you must determine the mass to what accuracy? - ANS .1g
According to ASTM C117, What is a wetting agent? - ANS Any dispersing agent, such
as liquid
dishwashing detergents, that will promote separation of the fine
materials
According to ASTM C117, at what temperature should the sample be dried? - ANS 110
+/- 5 °C (230 +/- 9 °F)
According to ASTM C117, with a nominal particle size of smaller than the #4 sieve, what
is the smallest amount of sample allowed? - ANS 300g
According to ASTM C117, what two sieves are to be used? - ANS #200 and #16
According to ASTM C136,at what temperature should the sample be dried? - ANS 110
+/- 5 °C (230 +/- 9 °F)
According to ASTM C136, what is the maximum retention allowed for sieves smaller
than #4? - ANS 7 kg/m^2 of sieving area
According to ASTM C136, what is the maximum retention allowed for sieves of #4 and
larger? - ANS 2.5 * (sieve opening mm *(effective sieve area m^2))
According to ASTM C136, what percent difference between initial sample weight and
final sample weight invalidates the test? - ANS .3%
According to ASTM C136, What test method should be used for materials finer than the
#200 sieve? - ANS ASTM C117
According to ASTM D75, at least how many approximately equal increments should be
obtained? - ANS 3
According to ASTM D75,when sampling from a flowing aggregate stream, which
practice shall be used? - ANS ASTM D 3665
According to ASTM D75, all transport containers must be so constructed as to? - ANS
preclude loss or contamination of any part of
the sample, or damage to the contents from mishandling during shipment.
According to ASTM D75, shipping containers shall have identification in what capacity?
- ANS Attached and Enclosed
, According to ASTM D75, when sampling from roadways, what should you take care to
exclude? - ANS Underlying material
According to ASTM D698, what is standard compactive effort? - ANS 12,400 ft-lbf/ft^3
ASTM D698 only applies to materials that have what percentage of particles retained on
what sieve? - ANS 30 % or less by mass of particles retained on the 3⁄4-in
According to ASTM D698, when must Practice D4718 be employed? - ANS If the test
specimen contains more than 5 % by mass of oversize fraction (coarse fraction) and the
material will not be included in the test
According to ASTM D698, is best for obtaining a well-defined maximum dry unit weight
for what kind of soils? - ANS non-free draining soils
According to ASTM D698, at what interval should standardization occur? - ANS 1,000
test specimens, or annually
According to ASTM D698, what is the minimum specimen mass for method A and B? -
ANS about 16kg
According to ASTM D698, what is the minimum specimen mass for method C? - ANS
about 29kg
According to ASTM D698, how long must clayey material 'stand' before molding? - ANS
16 hours
According to ASTM D698, what is the maximum amount of material allowed to be
present in the collar after the third layer of compaction? - ANS .25in (6mm)
According to ASTM D1140, which method should be used on material that has little to
no plasticity? - ANS Method A
According to ASTM D1140, with particularly clayey soils, which method should be
used? - ANS Method B
According to ASTM D1140, what is the minimum height required above screen? - ANS
50mm (2in)
According to ASTM D1140, what chemical is to be used as a dispersant? - ANS Sodium
Hexametaphosphate
According to ASTM D1140, what is the maximum amount of passes allowed through a
riffle splitter? - ANS 2
And 100%Valid Solutions.
According to ASTM C117, you must determine the mass to what accuracy? - ANS .1g
According to ASTM C117, What is a wetting agent? - ANS Any dispersing agent, such
as liquid
dishwashing detergents, that will promote separation of the fine
materials
According to ASTM C117, at what temperature should the sample be dried? - ANS 110
+/- 5 °C (230 +/- 9 °F)
According to ASTM C117, with a nominal particle size of smaller than the #4 sieve, what
is the smallest amount of sample allowed? - ANS 300g
According to ASTM C117, what two sieves are to be used? - ANS #200 and #16
According to ASTM C136,at what temperature should the sample be dried? - ANS 110
+/- 5 °C (230 +/- 9 °F)
According to ASTM C136, what is the maximum retention allowed for sieves smaller
than #4? - ANS 7 kg/m^2 of sieving area
According to ASTM C136, what is the maximum retention allowed for sieves of #4 and
larger? - ANS 2.5 * (sieve opening mm *(effective sieve area m^2))
According to ASTM C136, what percent difference between initial sample weight and
final sample weight invalidates the test? - ANS .3%
According to ASTM C136, What test method should be used for materials finer than the
#200 sieve? - ANS ASTM C117
According to ASTM D75, at least how many approximately equal increments should be
obtained? - ANS 3
According to ASTM D75,when sampling from a flowing aggregate stream, which
practice shall be used? - ANS ASTM D 3665
According to ASTM D75, all transport containers must be so constructed as to? - ANS
preclude loss or contamination of any part of
the sample, or damage to the contents from mishandling during shipment.
According to ASTM D75, shipping containers shall have identification in what capacity?
- ANS Attached and Enclosed
, According to ASTM D75, when sampling from roadways, what should you take care to
exclude? - ANS Underlying material
According to ASTM D698, what is standard compactive effort? - ANS 12,400 ft-lbf/ft^3
ASTM D698 only applies to materials that have what percentage of particles retained on
what sieve? - ANS 30 % or less by mass of particles retained on the 3⁄4-in
According to ASTM D698, when must Practice D4718 be employed? - ANS If the test
specimen contains more than 5 % by mass of oversize fraction (coarse fraction) and the
material will not be included in the test
According to ASTM D698, is best for obtaining a well-defined maximum dry unit weight
for what kind of soils? - ANS non-free draining soils
According to ASTM D698, at what interval should standardization occur? - ANS 1,000
test specimens, or annually
According to ASTM D698, what is the minimum specimen mass for method A and B? -
ANS about 16kg
According to ASTM D698, what is the minimum specimen mass for method C? - ANS
about 29kg
According to ASTM D698, how long must clayey material 'stand' before molding? - ANS
16 hours
According to ASTM D698, what is the maximum amount of material allowed to be
present in the collar after the third layer of compaction? - ANS .25in (6mm)
According to ASTM D1140, which method should be used on material that has little to
no plasticity? - ANS Method A
According to ASTM D1140, with particularly clayey soils, which method should be
used? - ANS Method B
According to ASTM D1140, what is the minimum height required above screen? - ANS
50mm (2in)
According to ASTM D1140, what chemical is to be used as a dispersant? - ANS Sodium
Hexametaphosphate
According to ASTM D1140, what is the maximum amount of passes allowed through a
riffle splitter? - ANS 2
