NICET CONCRETE LEVEL 1 EXAM WITH 100% CORRECT AND
VERIFIED ANSWERS 2026
What is BulkiDensity used for? (c29) -
Correct Answer-Determining Mass/
volume relationship for conversions in purchase agre ements
What is the dimensions ofiplate glass? (C29) - Correct Answer-1/4" thick
and at least 1" larger than the diameter ofithe measure
What are the requirements foria thermometer? (C1064) - Correct
Answer-has a range ofiat least 30-120°F and readable to the nearest 1°F
When drying aggregate to constant mass, What shoul d the temperature
ofithe oven be? (C29) -
Correct Answer-230°F (+/- 10°F)
When is an aggregate sample considered at constant mass? (C29) - Correct
Answer-
When the 2 sample weights taken an houriapart is less than .1%
What is the formula for BulkiDensity? (C29) - Correct Answer-
(mass ofiagg. and measure - mass ofimeasure) /volume
ofimeasure
What is is maximum size to use the jigging procedure
? (C29*) - Correct Answer-
Greater than 1.5", but no greater than 5"
What is the formula for void content? (C29) -
Correct Answer-100[(bulk specific gravity X density o fiwater) -
Bulk Density ofiagg./
bulkispecific gravity Xidensity ofiwater
bulkidensity be reported to the nearest. ......................................... (C29) -
Correct Answer-1 LB/ft^3
What is the significance ofiASTM C31? - Correct
Answer-
It provides the requirements for making, curing, prot ecting and transporting
concrete specimens
Ifispecimens are made and standard cured what can t he test results be used
for? (C31) - Correct Answer--Acceptances for specific strength
-checking adequacy ofimixture proportions
- Quality Control
, ifispecimens are field cured what can the test results be used for? (C31) -
Correct Answer--
Determine ifia structure can be put in service
-comparison with test results ofistandard cure speci mens
-form removal time requirements
What are the specifications ofia tamping rod? - Correct Answer-
A round, smooth, straight, steel rod. The length shoul d be at least 4"
greaterithan the depth ofithe mold, but no greater than 24"
When using the a 4"x 8" cylinder, What are the rod spe cifications? - Correct
Answer-straight, steel, w/ hemispherical tip 3/8" in diameter (+-1/16")
When using a 6" x 12" cylinder, What are the rod speci fications? - Correct
Answer-straight, steel w/ hemispherical tip 5/8" in diameter (+-1/16)
What is the minimum amount oficylinders per test?
*** - Correct Answer-3-4"x8" 2-6"x12"
When casting beams how many times should each lay er be rodded? -
Correct Answer-1 rod peri2in^2
Where should cylinders be stored aftericonsolidation
? - Correct Answer-
in or as near to the formworkias posssible
What is the curing temp. oficoncrete less than 6000ps i?(C31) - Correct Answer-
60°F to 80°F
What is the curing temp. oficoncrete greater than 600 0psi?(C31) - Correct
Answer-68°F to 78°F
How long must a cylinderibe cured before being trans ported?(C31) - Correct
Answer-8 hours
The percentage error shall not exceed what percenta ge for Compression
testing machines? (C39) - Correct Answer-1 % ofithe indicated load
Bearing blocks shall have dimensions at least % gr eater that the nominal
diameter? (C39) -
Correct Answer-3%
How often shall testing machines be cleaned and lubr icated? (C39) - Correct
Answer-
atleast every 6 months or as specified by manufacture r
The measure compressive strength ofia drilled core is what compared to
properly molded samples? (C42) - Correct Answer-
less than a properly molded and cured specimen.
VERIFIED ANSWERS 2026
What is BulkiDensity used for? (c29) -
Correct Answer-Determining Mass/
volume relationship for conversions in purchase agre ements
What is the dimensions ofiplate glass? (C29) - Correct Answer-1/4" thick
and at least 1" larger than the diameter ofithe measure
What are the requirements foria thermometer? (C1064) - Correct
Answer-has a range ofiat least 30-120°F and readable to the nearest 1°F
When drying aggregate to constant mass, What shoul d the temperature
ofithe oven be? (C29) -
Correct Answer-230°F (+/- 10°F)
When is an aggregate sample considered at constant mass? (C29) - Correct
Answer-
When the 2 sample weights taken an houriapart is less than .1%
What is the formula for BulkiDensity? (C29) - Correct Answer-
(mass ofiagg. and measure - mass ofimeasure) /volume
ofimeasure
What is is maximum size to use the jigging procedure
? (C29*) - Correct Answer-
Greater than 1.5", but no greater than 5"
What is the formula for void content? (C29) -
Correct Answer-100[(bulk specific gravity X density o fiwater) -
Bulk Density ofiagg./
bulkispecific gravity Xidensity ofiwater
bulkidensity be reported to the nearest. ......................................... (C29) -
Correct Answer-1 LB/ft^3
What is the significance ofiASTM C31? - Correct
Answer-
It provides the requirements for making, curing, prot ecting and transporting
concrete specimens
Ifispecimens are made and standard cured what can t he test results be used
for? (C31) - Correct Answer--Acceptances for specific strength
-checking adequacy ofimixture proportions
- Quality Control
, ifispecimens are field cured what can the test results be used for? (C31) -
Correct Answer--
Determine ifia structure can be put in service
-comparison with test results ofistandard cure speci mens
-form removal time requirements
What are the specifications ofia tamping rod? - Correct Answer-
A round, smooth, straight, steel rod. The length shoul d be at least 4"
greaterithan the depth ofithe mold, but no greater than 24"
When using the a 4"x 8" cylinder, What are the rod spe cifications? - Correct
Answer-straight, steel, w/ hemispherical tip 3/8" in diameter (+-1/16")
When using a 6" x 12" cylinder, What are the rod speci fications? - Correct
Answer-straight, steel w/ hemispherical tip 5/8" in diameter (+-1/16)
What is the minimum amount oficylinders per test?
*** - Correct Answer-3-4"x8" 2-6"x12"
When casting beams how many times should each lay er be rodded? -
Correct Answer-1 rod peri2in^2
Where should cylinders be stored aftericonsolidation
? - Correct Answer-
in or as near to the formworkias posssible
What is the curing temp. oficoncrete less than 6000ps i?(C31) - Correct Answer-
60°F to 80°F
What is the curing temp. oficoncrete greater than 600 0psi?(C31) - Correct
Answer-68°F to 78°F
How long must a cylinderibe cured before being trans ported?(C31) - Correct
Answer-8 hours
The percentage error shall not exceed what percenta ge for Compression
testing machines? (C39) - Correct Answer-1 % ofithe indicated load
Bearing blocks shall have dimensions at least % gr eater that the nominal
diameter? (C39) -
Correct Answer-3%
How often shall testing machines be cleaned and lubr icated? (C39) - Correct
Answer-
atleast every 6 months or as specified by manufacture r
The measure compressive strength ofia drilled core is what compared to
properly molded samples? (C42) - Correct Answer-
less than a properly molded and cured specimen.
