CSLB Concrete C8 License Practice Test
#2 Exam Q&A 100% Solved | Graded A+
The maximum size of the conduit or pipe shall NOT exceed _______ of the
thickness of the concrete. - ✔✔1/3
Which of the following tests for concrete is conducted at the site/field? -
✔✔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. -
✔✔85
1
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
,If the admixtures are used in concrete for the purpose of delayed setting
and hardening of concrete, they are called _____________? -
✔✔Retarders
Which of the following are the general types of vibrating needles that are in
use? - ✔✔ALL ANSWERS!
-Internal vibrators
-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? - ✔✔ALL
OF THESE
-Surface area method
-Mix design based on flexural strength
-Maximum destiny method
2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
, The minimum cementitious material that is required for concrete bridging
deck is ______________lbs/cu yd. - ✔✔675
The amount of free water used in concrete shall not exceed ____________
pounds per cubic yard of concrete. - ✔✔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. - ✔✔Steel dowels
Which of the following is NOT an example of blended cement? -
✔✔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
3
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
#2 Exam Q&A 100% Solved | Graded A+
The maximum size of the conduit or pipe shall NOT exceed _______ of the
thickness of the concrete. - ✔✔1/3
Which of the following tests for concrete is conducted at the site/field? -
✔✔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. -
✔✔85
1
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
,If the admixtures are used in concrete for the purpose of delayed setting
and hardening of concrete, they are called _____________? -
✔✔Retarders
Which of the following are the general types of vibrating needles that are in
use? - ✔✔ALL ANSWERS!
-Internal vibrators
-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? - ✔✔ALL
OF THESE
-Surface area method
-Mix design based on flexural strength
-Maximum destiny method
2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
, The minimum cementitious material that is required for concrete bridging
deck is ______________lbs/cu yd. - ✔✔675
The amount of free water used in concrete shall not exceed ____________
pounds per cubic yard of concrete. - ✔✔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. - ✔✔Steel dowels
Which of the following is NOT an example of blended cement? -
✔✔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
3
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
