Exam (elaborations)
CSLB Concrete C8 License Practice Test #3 (Questions & Answers) 2024 Graded A+
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CSLB Concrete C8 License Practice Test #3 (Questions & Answers) 2024 Graded A+
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Name: Score:60 Multiple choice questions
Term 1 of 60
The concrete repair works shall not be carried out if the temperature is below________ ͨ F
40
Explanation:
Sometimes it can be up to 50 times of the bar dia.
40
Explanation:
Low temperature causes freezing and thawing.
½
Explanation:
This can be up to one inch for flat slabs.
70
Explanation:
This temperature will ensure the speedy and correct drying of the sealer surface, which will
typically be dry enough to be touched in 1-2 hours.
Term 2 of 60
The type of the cement recommended for the surface repair and restoration works is________.
Quick setting cement
Rapid hardening cement
Ordinary portland cement
Low heat cement
,Term 3 of 60
If the temperature during the concrete repair/restoration works is below________ ͨ F, warm water
needs to be used.
7d
Explanation:
Where 'd' is diameter of the bar. If the bar diameter is more than 3/5" the length of the bend
or loop is 7 times the bar diameter.
40
Explanation:
Sometimes it can be up to 50 times of the bar dia.
50,
Explanation:
Additionally insulation covers are also required.
½
Explanation:
This can be up to one inch for flat slabs.
Term 4 of 60
Concrete pipes are also used for the drainage purposes where the site conditions are
unfavourable for cast-in-situ drainage. The minimum diameter of the pipe specified for trunk drain
storm water drainage is __________ inches.
2.0
18
652
12
,Term 5 of 60
In columns where multiple layers of reinforcement steel is required to be arranged in groups, the
minimum distance between each group must be greater than equal to __________ inches.
-Dead load of the formwork
-Concrete load
-Live load of the working people
4
Explanation:
4 inches between each bundle of bars.
50,
Explanation:
Additionally insulation covers are also required.
40
Explanation:
Sometimes it can be up to 50 times of the bar dia.
, Term 6 of 60
Which of the following material most commonly used for sheathing?
-Protective clothing
-Ventilation
-First aid
Explanation:
Due to the high toxicity of the fumes produced when utilizing a concrete floor sealer, it is
important that the area is properly ventilated.
Plywood
Explanation:
All the above are used as sheathing material, but most commonly used is plywood.
-Formwork
-Shoring & reshoring
-Vertical slip forms
It contains natural chemicals that helps concrete to cure faster
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