1
CSLB CONCRETE C8 LICENSE PRACTICE TEST 2|
QUESTIONS AND CORRECT ANSWERS WITH
EXPLANATIONS | GRADED A+ | VERIFIED ANSWERS |
LATEST VERSION
The maximum size of the conduit or pipe shall NOT exceed _______ of the
thickness of the concrete. - (answers)1/3
Which of the following tests for concrete is conducted at the site/field? -
(answers)Color Test
Explanation:
Rest of the above are laboratory tests.
If the concrete compressive strength specified is less 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 strength. - (answers)85
If the admixtures are used in concrete for the purpose of delayed setting and
hardening of concrete, they are called _____________? - (answers)Retarders
Which of the following are the general types of vibrating needles that are in use? -
(answers)ALL ANSWERS!
-Internal vibrators
, 2
-Immersion vibrators
-Surface vibrators
Concrete proportioning is done based on the facilities available at the site. Which
are the general proportioning methods used for concrete? - (answers)ALL OF
THESE
-Surface area method
-Mix design based on flexural strength
-Maximum destiny method
The minimum cementitious material that is required for concrete bridging deck is
______________lbs/cu yd. - (answers)675
The amount of free water used in concrete shall not exceed ____________
pounds per cubic yard of concrete. - (answers)310
Explanation:
If the SCM are added, it can be increased to 20 pounds per each required 100
pounds of cementitious material in excess of 550 pounds per cubic yard.
If the concrete curbs are to be constructed over the existing pavement,
_______________ are used to fix them to pavement. - (answers)Steel dowels
, 3
Which of the following is NOT an example of blended cement? -
(answers)Combination of silica fume and chlorine fluoride
Explanation:
Blended cement is a combination of either Type || or Type V cement with any of
the SCM
Which of the following is a line at which the face of the curb meets the top of the
payment? - (answers)Control Joint
Which of the following is NOT used as concrete chemicals? - (answers)Abrasion
bonding compound
Explanation:
Concrete curing compound and polymer bonding agent are both concrete
chemicals.
The admixtures that are used in concrete to improve durability in freeze/thaw
environments are ________________. - (answers)Air entrainment admixtures
The fly ash which is used as SCM has the specific gravity ___________________. -
(answers)1.9 - 2.8
CSLB CONCRETE C8 LICENSE PRACTICE TEST 2|
QUESTIONS AND CORRECT ANSWERS WITH
EXPLANATIONS | GRADED A+ | VERIFIED ANSWERS |
LATEST VERSION
The maximum size of the conduit or pipe shall NOT exceed _______ of the
thickness of the concrete. - (answers)1/3
Which of the following tests for concrete is conducted at the site/field? -
(answers)Color Test
Explanation:
Rest of the above are laboratory tests.
If the concrete compressive strength specified is less 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 strength. - (answers)85
If the admixtures are used in concrete for the purpose of delayed setting and
hardening of concrete, they are called _____________? - (answers)Retarders
Which of the following are the general types of vibrating needles that are in use? -
(answers)ALL ANSWERS!
-Internal vibrators
, 2
-Immersion vibrators
-Surface vibrators
Concrete proportioning is done based on the facilities available at the site. Which
are the general proportioning methods used for concrete? - (answers)ALL OF
THESE
-Surface area method
-Mix design based on flexural strength
-Maximum destiny method
The minimum cementitious material that is required for concrete bridging deck is
______________lbs/cu yd. - (answers)675
The amount of free water used in concrete shall not exceed ____________
pounds per cubic yard of concrete. - (answers)310
Explanation:
If the SCM are added, it can be increased to 20 pounds per each required 100
pounds of cementitious material in excess of 550 pounds per cubic yard.
If the concrete curbs are to be constructed over the existing pavement,
_______________ are used to fix them to pavement. - (answers)Steel dowels
, 3
Which of the following is NOT an example of blended cement? -
(answers)Combination of silica fume and chlorine fluoride
Explanation:
Blended cement is a combination of either Type || or Type V cement with any of
the SCM
Which of the following is a line at which the face of the curb meets the top of the
payment? - (answers)Control Joint
Which of the following is NOT used as concrete chemicals? - (answers)Abrasion
bonding compound
Explanation:
Concrete curing compound and polymer bonding agent are both concrete
chemicals.
The admixtures that are used in concrete to improve durability in freeze/thaw
environments are ________________. - (answers)Air entrainment admixtures
The fly ash which is used as SCM has the specific gravity ___________________. -
(answers)1.9 - 2.8
