NICET concrete level 1 EXAM QUESTIONS AND VERIFIED ANSWERS
2025(GRADED A+) DETAILED ANSWERS!!
Terms in this set (65)
What is Bulk Density used for? Determining Mass/volume relationship for conversions in purchase
(c29) agreements
What is the dimensions of 1/4" thick and at least 1" larger than the diameter of the measure
plate glass? (C29)
What are the requirements for a has a range of at least 30-120°F and readable to the nearest 1°F
thermometer? (C1064)
When drying aggregate to 230°F (+/- 10°F)
constant mass, What should the
temperature of the oven be?
(C29)
When is an aggregate sample When the 2 sample weights taken an hour apart is less than .1%
considered at constant mass?
(C29)
What is the formula for Bulk (mass of agg. and measure - mass of measure) /volume of measure
Density? (C29)
What is is maximum size to use Greater than 1.5", but no greater than 5"
the jigging procedure? (C29*)
100[(bulk specific gravity X density of water) - Bulk Density of
What is the formula for void
content? (C29) agg./ bulk specific gravity X density of water
bulk density be reported to the 1 LB/ft^3
nearest.... (C29)
It provides the requirements for making, curing, protecting and
What is the significance of ASTM
C31? transporting concrete specimens
-Acceptances for specific strength
If specimens are made and
-checking adequacy of mixture proportions
standard cured what can the test
- Quality Control
results be used for? (C31)
, -Determine if a structure can be put in service
if specimens are field cured what
-comparison with test results of standard cure specimens
can the test results be used for?
-form removal time requirements
(C31)
What are the specifications of a A round, smooth, straight, steel rod. The length should be at
tamping rod? least 4" greater than the depth of the mold, but no greater
than 24"
When using the a 4"x 8" straight, steel, w/hemispherical tip 3/8" in diameter (+-1/16")
cylinder, What are the rod
specifications?
When using a 6" x 12" cylinder, straight, steel w/hemispherical tip 5/8" in diameter (+-1/16)
What are the rod specifications?
What is the minimum amount 3-4"x8"
of cylinders per test?*** 2-6"x12"
When casting beams how 1 rod per 2in^2
many times should each
layer be rodded?
Where should cylinders be stored in or as near to the formwork as posssible
after consolidation?
What is the curing temp. of 60°F to 80°F
concrete less than
6000psi?(C31)
What is the curing temp. of 68°F to 78°F
concrete greater than
6000psi?(C31)
How long must a cylinder be cured 8 hours
before being transported?(C31)
The percentage error shall not 1 % of the indicated load
exceed
what percentage for
Compression testing
machines? (C39)
Bearing blocks shall have 3%
dimensions at least ___ %
greater that the nominal
diameter? (C39)
2025(GRADED A+) DETAILED ANSWERS!!
Terms in this set (65)
What is Bulk Density used for? Determining Mass/volume relationship for conversions in purchase
(c29) agreements
What is the dimensions of 1/4" thick and at least 1" larger than the diameter of the measure
plate glass? (C29)
What are the requirements for a has a range of at least 30-120°F and readable to the nearest 1°F
thermometer? (C1064)
When drying aggregate to 230°F (+/- 10°F)
constant mass, What should the
temperature of the oven be?
(C29)
When is an aggregate sample When the 2 sample weights taken an hour apart is less than .1%
considered at constant mass?
(C29)
What is the formula for Bulk (mass of agg. and measure - mass of measure) /volume of measure
Density? (C29)
What is is maximum size to use Greater than 1.5", but no greater than 5"
the jigging procedure? (C29*)
100[(bulk specific gravity X density of water) - Bulk Density of
What is the formula for void
content? (C29) agg./ bulk specific gravity X density of water
bulk density be reported to the 1 LB/ft^3
nearest.... (C29)
It provides the requirements for making, curing, protecting and
What is the significance of ASTM
C31? transporting concrete specimens
-Acceptances for specific strength
If specimens are made and
-checking adequacy of mixture proportions
standard cured what can the test
- Quality Control
results be used for? (C31)
, -Determine if a structure can be put in service
if specimens are field cured what
-comparison with test results of standard cure specimens
can the test results be used for?
-form removal time requirements
(C31)
What are the specifications of a A round, smooth, straight, steel rod. The length should be at
tamping rod? least 4" greater than the depth of the mold, but no greater
than 24"
When using the a 4"x 8" straight, steel, w/hemispherical tip 3/8" in diameter (+-1/16")
cylinder, What are the rod
specifications?
When using a 6" x 12" cylinder, straight, steel w/hemispherical tip 5/8" in diameter (+-1/16)
What are the rod specifications?
What is the minimum amount 3-4"x8"
of cylinders per test?*** 2-6"x12"
When casting beams how 1 rod per 2in^2
many times should each
layer be rodded?
Where should cylinders be stored in or as near to the formwork as posssible
after consolidation?
What is the curing temp. of 60°F to 80°F
concrete less than
6000psi?(C31)
What is the curing temp. of 68°F to 78°F
concrete greater than
6000psi?(C31)
How long must a cylinder be cured 8 hours
before being transported?(C31)
The percentage error shall not 1 % of the indicated load
exceed
what percentage for
Compression testing
machines? (C39)
Bearing blocks shall have 3%
dimensions at least ___ %
greater that the nominal
diameter? (C39)
