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CSLB Concrete C8 License Practice Test #2 Questions With 100% Correct!!
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CSLB Concrete C8 License Practice Test #2 Questions With 100% Correct!!
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Name: Score:81 Multiple choice questions
Term 1 of 81
The additives used to enhance the performance of concrete for the special purposes is/are
called:
Increases
Explanation:
Richer the mix, higher the value
42.85cu ft
Explanation:
1:2:4 = 1 part cement, 2 part sand, 4 part coarse aggregate
Chemicals
Explanation:
Shall not be confused with admixtures
ALL OF THESE!
-Batching
-Placing
-Compacting
Explanation:
In addition it includes mixing, transporting, curing etc.
,Term 2 of 81
The KEY advantage of reinforced concrete among the following is ______________________.
ALL OF THESE!
-Less cementitious material
-Recycled aggregate use
-Use of Rice Hull Ash (ASH)
Explanation:
These are not allowed in general concrete
Can be moulded to any shape
Explanation:
Though all the options are correct, key advantage is that reinforced concrete can be
moulded to any desired shape/size.
ALL OF THESE!
-Batching
-Placing
-Compacting
Explanation:
In addition it includes mixing, transporting, curing etc.
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.
,Term 3 of 81
Before the concrete pavement begins, which of the following needs more attention?
Tie bar detailing
Explanation:
As reinforcement work typically differs in pavement works, tie bar detailing needs more
attention than the other listed options.
Pre stressing steel
Explanation:
If the pre stressing steel is rusted, it cannot be used since it does not meet the compliance
requirements.
None of the above
Explanation:
Mix design is done based on the strength requirements and with theoretical calculations.
The given options belong to concrete for general purposes.
ALL OF THESE!
-Lower volume of Portland cement
-Higher volume of SCM
-Minimum compressive strength is required
Term 4 of 81
How much concrete is required to pour a volume of 15' x 30' x 1.5'?
30cu yds
20cu yds
15cu yds
25cu yds
, Term 5 of 81
What is the purpose of using SCM in concrete other than meeting workability requirements?
BOTH OF THESE!
-Rebound Hamner test method
-Pulse velocity method
ALL OF THESE
-Sub grade conditions
-Finishing requirements
-Temperature
To avoid emissions:
The cement production is responsible for 7% of the greenhouse gas emissions (GHG).
ALL OF THESE!
Explanation:
-Temperature on concrete
-Presence of reinforcing steel
-Smoothness of the surface
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