NETTCP QUESTIONS WITH VERIFIED ACCURATE
ANSWERS
True / False
Quality assurance is defines as all thos planned and Systematic actions necessary to
provide confidence that a product or facility will perform satisfactorily in service. -
Answers - True
I-13
The D3665 random number table contains 10,000 numbers listed in order from 0.0001
to 1.000 - Answers - False
II-4
Random numbers assist the sampler in obtaining samples that are unbiased - Answers
- True
II-1
A lot is defined as an isolated quantity of material from a single source which is
assumed to be produced or placed by the same controlled process. - Answers - True
II-2
Sublots are established to ensure that samples of materials are concentrated from one
location - Answers - False
II-2
A calculator or computer may be used to generate a random number to determine the
row and column locations within the table. - Answers - True
II-4
Multiply the random number obtained by the calculator by 500 and round to the nearest
whole number to determine the row of the table that contains the desired random
number - Answers - True
II-4
Statistical samples are made up of samples, which themselves are made up of
increments. - Answers - True
II-1
D3665 suggests that the stratified random sampling procedure is the best and most
practical method for ensuring that samples of construction materials include the full
range of a construction process. - Answers - True
II-1
, Multiply the random number generated by the calculator by 100 and round to the
nearest whole number to determine the column of the table that contains the desired
random number. - Answers - False
II-4
Random numbers drawn are final, no matter what the situation they must be used and
not discarded or else the random method will be jeopardized. - Answers - False
II-17
Sampling is equally important as the testing and the sampler shall use every precaution
to obtain samples that will show the nature and conditions of the materials they
represent - Answers - True
II-25
One way of describing the maximum size is that it is the first sieve through which all
material is required to pass. - Answers - True
II-26
Typically, AASHTO sampling procedures require that each sample be comprised of at
lease three increments. - Answers - True
II-27
Sampling devices that are used to interrupt a flowing aggregate stream must be capable
of interrupting at least 3/4 of the flow of aggregate in order to provide reasonable
samples. - Answers - False
II-27
Under no circumstances should power equipment be used to sample aggregates from
stock piles. - Answers - False
II-29
Sampling stockpiles with power equipment is described using these steps: remixing,
reentering, rolling out the pile, back-dragging and quadrant sampling. - Answers - True
II-29
When sampling a stockpile without power equipment, the sampler should divide the pile
in quarters and obtain a sample from each quarter. - Answers - False
II-30
The technique for shoveling from a stockpile stipulates that only material from the
outermost layer should be obtained for a sample. - Answers - False
II-30
The size of aggregate samples required by AASHTO is determined by the maximum
size of the aggregate being tested. - Answers - False
II-27
ANSWERS
True / False
Quality assurance is defines as all thos planned and Systematic actions necessary to
provide confidence that a product or facility will perform satisfactorily in service. -
Answers - True
I-13
The D3665 random number table contains 10,000 numbers listed in order from 0.0001
to 1.000 - Answers - False
II-4
Random numbers assist the sampler in obtaining samples that are unbiased - Answers
- True
II-1
A lot is defined as an isolated quantity of material from a single source which is
assumed to be produced or placed by the same controlled process. - Answers - True
II-2
Sublots are established to ensure that samples of materials are concentrated from one
location - Answers - False
II-2
A calculator or computer may be used to generate a random number to determine the
row and column locations within the table. - Answers - True
II-4
Multiply the random number obtained by the calculator by 500 and round to the nearest
whole number to determine the row of the table that contains the desired random
number - Answers - True
II-4
Statistical samples are made up of samples, which themselves are made up of
increments. - Answers - True
II-1
D3665 suggests that the stratified random sampling procedure is the best and most
practical method for ensuring that samples of construction materials include the full
range of a construction process. - Answers - True
II-1
, Multiply the random number generated by the calculator by 100 and round to the
nearest whole number to determine the column of the table that contains the desired
random number. - Answers - False
II-4
Random numbers drawn are final, no matter what the situation they must be used and
not discarded or else the random method will be jeopardized. - Answers - False
II-17
Sampling is equally important as the testing and the sampler shall use every precaution
to obtain samples that will show the nature and conditions of the materials they
represent - Answers - True
II-25
One way of describing the maximum size is that it is the first sieve through which all
material is required to pass. - Answers - True
II-26
Typically, AASHTO sampling procedures require that each sample be comprised of at
lease three increments. - Answers - True
II-27
Sampling devices that are used to interrupt a flowing aggregate stream must be capable
of interrupting at least 3/4 of the flow of aggregate in order to provide reasonable
samples. - Answers - False
II-27
Under no circumstances should power equipment be used to sample aggregates from
stock piles. - Answers - False
II-29
Sampling stockpiles with power equipment is described using these steps: remixing,
reentering, rolling out the pile, back-dragging and quadrant sampling. - Answers - True
II-29
When sampling a stockpile without power equipment, the sampler should divide the pile
in quarters and obtain a sample from each quarter. - Answers - False
II-30
The technique for shoveling from a stockpile stipulates that only material from the
outermost layer should be obtained for a sample. - Answers - False
II-30
The size of aggregate samples required by AASHTO is determined by the maximum
size of the aggregate being tested. - Answers - False
II-27
