CSLB CONCRETE C8 LICENSE PRACTICE TEST #2 NEWEST
2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED||
Concrete surfaces which are frequently subject to freezing and
thawing, should NOT have _________________ finishing. -
ANSWER-Splattered
Explanation:
This finish will peel and spall.
If the concrete to be poured is 150cu ft, within a mix proportion of
1:2:4, what is the quantity of the fine aggregate (sand) required? -
ANSWER-42.85cu ft
Explanation:
1:2:4 = 1 part cement, 2 part sand, 4 part coarse aggregate
Which of the following is/are special types of cement? -
ANSWER-ALL OF THESE!
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-High Alumina Cement
-Expanding cement
-Acid-resistance cement
The concrete which is designated by compressive strength, has
strength greater than _________________ psi at 42 days. -
ANSWER-3600
If the surface of the concrete is subject to frequent regular traffic,
then is shall be given a _____________ finish. - ANSWER-Evenly
grooved (Floated)
What chemical admixtures allow for a reduction in the amount of
water required to produce concrete with a certain slump. -
ANSWER-Water reducing admixtures
The maximum specified cover for the concrete using bundle bars,
shall be ___________ inches or the equivalent diameter of the
bundle, whichever is minimum. - ANSWER-2"
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The maximum size of the conduit or pipe shall NOT exceed
_______ of the thickness of the concrete. - ANSWER-1/3
Which of the following tests for concrete is conducted at the
site/field? - ANSWER-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. - ANSWER-85
If the admixtures are used in concrete for the purpose of delayed
setting and hardening of concrete, they are called
_____________? - ANSWER-Retarders
Which of the following are the general types of vibrating needles
that are in use? - ANSWER-ALL ANSWERS!