CSLB Concrete C8 License Practice Test #2 Q&A
The maximum size of the conduit or pipe shall NOT exceed ____________ pounds per cubic yard of
exceed _______ of the thickness of the concrete. - concrete. - ANSWER -310
ANSWER -1/3
Explanation:
If the SCM are added, it can be increased to 20
Which of the following tests for concrete is conducted pounds per each required 100 pounds of
at the site/field? - ANSWER -Color Test cementitious material in excess of 550 pounds per
cubic yard.
Explanation:
Rest of the above are laboratory tests.
If the concrete curbs are to be constructed over the
existing pavement, _______________ are used to fix
If the concrete compressive strength specified is less them to pavement. - ANSWER -Steel dowels
than 3600 psi, it has the option of being tested at 28
days and is able to accept the concrete if it attains
___________ percentage of the minimum required Which of the following is NOT an example of blended
strength. - ANSWER -85 cement? - ANSWER -Combination of silica
fume and chlorine fluoride
If the admixtures are used in concrete for the Explanation:
purpose of delayed setting and hardening of Blended cement is a combination of either Type || or
concrete, they are called _____________? - Type V cement with any of the SCM
ANSWER -Retarders
Which of the following is a line at which the face of
Which of the following are the general types of the curb meets the top of the payment? -
vibrating needles that are in use? - ANSWER - ANSWER -Control Joint
ALL ANSWERS!
-Internal vibrators Which of the following is NOT used as concrete
-Immersion vibrators chemicals? - ANSWER -Abrasion bonding
-Surface vibrators compound
Explanation:
Concrete proportioning is done based on the facilities Concrete curing compound and polymer bonding
available at the site. Which are the general agent are both concrete chemicals.
proportioning methods used for concrete? -
ANSWER -ALL OF THESE
The admixtures that are used in concrete to improve
-Surface area method durability in freeze/thaw environments are
-Mix design based on flexural strength ________________. - ANSWER -Air
-Maximum destiny method entrainment admixtures
The minimum cementitious material that is required The fly ash which is used as SCM has the specific
for concrete bridging deck is ______________lbs/cu gravity ___________________. - ANSWER -1.9
yd. - ANSWER -675 - 2.8
The amount of free water used in concrete shall not The leveling operation that removes lumps and
1/7
, CSLB Concrete C8 License Practice Test #2 Q&A
hollows and provides a true and uniform concrete Explanation:
surface is called ______________________. - If the pre stressing steel is rusted, it cannot be used
ANSWER -Screeding since it does not meet the compliance requirements.
If the quantity of concrete is less than The compressive strength of concrete when treated
_____________ cubic yards, the compliance test with a 4" cube is always ____________ than when
reports are not required. - ANSWER -50 tested with a 6" cube. - ANSWER -More
Which type of Portland cement is used when early The practice of making concrete to achieve the
strength is expected? - ANSWER -Type ||| stipulated minimum strength and durability and to
make concrete in the best economical manner is
called _________________. - ANSWER -Mix
Which of the following factor influence the positioning design
of the joints in a slab on grade? - ANSWER -
ALL OF THESE Explanation:
Mix design uses the theoretical calculations to get the
-Sub grade conditions desired higher strength in concrete but yet consuming
-Finishing requirements minimum cement.
-Temperature
What is the purpose of using SCM in concrete other
Which of the following is NOT a property of than meeting workability requirements? -
concrete? - ANSWER -High tensile strength ANSWER -To avoid emissions:
The cement production is responsible for 7% of the
greenhouse gas emissions (GHG).
The concrete work is done in freezing zones, it gets
cured by ______________. - ANSWER -Steam
If the contractor has to transport the concrete, what is
the specified time for the concrete after catching
Explanation:
It is done by heating concrete by steam or using under normal circumstances? - ANSWER -
alternating current, so that water content in the Before 1 1/2 hours
concrete is not increased.
Explanation:
Or before 250 revolutions of the drum
Coarse aggregate in concrete is the material that is
retained in sieve number ____________. -
What is NOT a key purpose in using SCM in
ANSWER -#4
concrete? - ANSWER -Short term curing period
Explanation:
The one which passes through sieve #4 is the fine
aggregate. The rough concrete finishes are generally appropriate
for surfaces subject to _______________. -
ANSWER -Traction
All of the structural steel is considered satisfactory
even if it is rusted, but still meets the density
requirements, except ___________________. - Why would the cylindrical/circular columns be chosen
ANSWER -Pre stressing steel over the square/rectangular columns? -
ANSWER -Circular columns carry more load.
2/7
The maximum size of the conduit or pipe shall NOT exceed ____________ pounds per cubic yard of
exceed _______ of the thickness of the concrete. - concrete. - ANSWER -310
ANSWER -1/3
Explanation:
If the SCM are added, it can be increased to 20
Which of the following tests for concrete is conducted pounds per each required 100 pounds of
at the site/field? - ANSWER -Color Test cementitious material in excess of 550 pounds per
cubic yard.
Explanation:
Rest of the above are laboratory tests.
If the concrete curbs are to be constructed over the
existing pavement, _______________ are used to fix
If the concrete compressive strength specified is less them to pavement. - ANSWER -Steel dowels
than 3600 psi, it has the option of being tested at 28
days and is able to accept the concrete if it attains
___________ percentage of the minimum required Which of the following is NOT an example of blended
strength. - ANSWER -85 cement? - ANSWER -Combination of silica
fume and chlorine fluoride
If the admixtures are used in concrete for the Explanation:
purpose of delayed setting and hardening of Blended cement is a combination of either Type || or
concrete, they are called _____________? - Type V cement with any of the SCM
ANSWER -Retarders
Which of the following is a line at which the face of
Which of the following are the general types of the curb meets the top of the payment? -
vibrating needles that are in use? - ANSWER - ANSWER -Control Joint
ALL ANSWERS!
-Internal vibrators Which of the following is NOT used as concrete
-Immersion vibrators chemicals? - ANSWER -Abrasion bonding
-Surface vibrators compound
Explanation:
Concrete proportioning is done based on the facilities Concrete curing compound and polymer bonding
available at the site. Which are the general agent are both concrete chemicals.
proportioning methods used for concrete? -
ANSWER -ALL OF THESE
The admixtures that are used in concrete to improve
-Surface area method durability in freeze/thaw environments are
-Mix design based on flexural strength ________________. - ANSWER -Air
-Maximum destiny method entrainment admixtures
The minimum cementitious material that is required The fly ash which is used as SCM has the specific
for concrete bridging deck is ______________lbs/cu gravity ___________________. - ANSWER -1.9
yd. - ANSWER -675 - 2.8
The amount of free water used in concrete shall not The leveling operation that removes lumps and
1/7
, CSLB Concrete C8 License Practice Test #2 Q&A
hollows and provides a true and uniform concrete Explanation:
surface is called ______________________. - If the pre stressing steel is rusted, it cannot be used
ANSWER -Screeding since it does not meet the compliance requirements.
If the quantity of concrete is less than The compressive strength of concrete when treated
_____________ cubic yards, the compliance test with a 4" cube is always ____________ than when
reports are not required. - ANSWER -50 tested with a 6" cube. - ANSWER -More
Which type of Portland cement is used when early The practice of making concrete to achieve the
strength is expected? - ANSWER -Type ||| stipulated minimum strength and durability and to
make concrete in the best economical manner is
called _________________. - ANSWER -Mix
Which of the following factor influence the positioning design
of the joints in a slab on grade? - ANSWER -
ALL OF THESE Explanation:
Mix design uses the theoretical calculations to get the
-Sub grade conditions desired higher strength in concrete but yet consuming
-Finishing requirements minimum cement.
-Temperature
What is the purpose of using SCM in concrete other
Which of the following is NOT a property of than meeting workability requirements? -
concrete? - ANSWER -High tensile strength ANSWER -To avoid emissions:
The cement production is responsible for 7% of the
greenhouse gas emissions (GHG).
The concrete work is done in freezing zones, it gets
cured by ______________. - ANSWER -Steam
If the contractor has to transport the concrete, what is
the specified time for the concrete after catching
Explanation:
It is done by heating concrete by steam or using under normal circumstances? - ANSWER -
alternating current, so that water content in the Before 1 1/2 hours
concrete is not increased.
Explanation:
Or before 250 revolutions of the drum
Coarse aggregate in concrete is the material that is
retained in sieve number ____________. -
What is NOT a key purpose in using SCM in
ANSWER -#4
concrete? - ANSWER -Short term curing period
Explanation:
The one which passes through sieve #4 is the fine
aggregate. The rough concrete finishes are generally appropriate
for surfaces subject to _______________. -
ANSWER -Traction
All of the structural steel is considered satisfactory
even if it is rusted, but still meets the density
requirements, except ___________________. - Why would the cylindrical/circular columns be chosen
ANSWER -Pre stressing steel over the square/rectangular columns? -
ANSWER -Circular columns carry more load.
2/7
