CSLB CONCRETE C8 LICENSE PRACTICE TEST #4 NEWEST
2025/2026 ACTUAL EXAM WITH COMPLETE QUESTIONS AND
CORRECT DETAILED ANSWERS (100% VERIFIED ANSWERS)
|ALREADY GRADED A+| ||PROFESSOR VERIFIED||
Which of the following points are true about Work Breakdown
Structure (WBS) in the planning of a construction project? -
ANSWER-Decomposing of a task into doable, measureable,
estimable , and schedulable units
Which of the following statements is correct about the finishing of
a concrete? - ANSWER-Concrete should be finished once bleed
water and surface sheen disappear
An excavation of 10 cubic meters is done on any soil. Which of
the following statements is true about the refilling volume of that
excavation with the same type of soil material? - ANSWER-More
than 10 cubic meters
What type of release oil is commonly used for the construction of
wooden forms in the concrete industry? - ANSWER-Paraffin base
oil
,2|Page
Initial and final setting time values of concrete are normally
considered from: - ANSWER-Mixing of water into cement material
Form-exposed corners and edges are commonly beveled to avoid
any chipping by using: - ANSWER-Chamfer strips
Which of the following are the basic crafts used in estimating the
concrete construction cost in the industry? - ANSWER-Ironworker,
Carpenter, Teamster, Cement mason
Which of the results of a concrete slump test has the highest
workability? - ANSWER-True Slump
Explanation:
Workability is the ease or difficulty of placing concrete in a
particular location. For example, a stiff but plastic mix with large
aggregate would be workable in large open form but not in a wall
with closely spaced reinforcement. Please note that the slump
test is NOT a measure of workability, and it should not be used to
, 3|Page
compare mixes of entirely different proportions or containing
different kinds of aggregate.
What is the maximum depth of a foundation footing commonly
used in concrete construction? - ANSWER-78"
Which of the following factors should be estimated as earthwork
components in project planning? - ANSWER-ALL OF THESE
-Rough grading, Excavation, Soil backfilling
-Soil compacting, Fill material compacting, Excavation
-Excavated soil hauling, Soil backfilling, Rough grading
According to American Concrete Institute ACI-301 standard, what
is the maximum volume of concrete that requires a strength test
of concrete? - ANSWER-Each 100 cubic yards