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CSLB CONCRETE C8 LICENSE FINAL EXAM,
PRACTICE EXAM AND STUDY GUIDE NEWEST
2024 ACTUAL EXAM COMPLETE 100
QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY
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CSLB CONCRETE C8 LICENSE FINAL EXAM
What is the most common size or thickness of polyethylene sheet used as a moisture barrier (with/without sand layer) in the concrete industry? - ANSWER- 4 to 6 mil
Which of the following fastening mechanisms holds the collar strongly fixed around the finished columns? - ANSWER- Friction
If you want to place a crushed stone layer over the vapor barrier, which of the following thicknesses of polyethylene is it recommended to use? - ANSWER- 50 mil
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Which of the following are the types of footings commonly used in the concrete construction industry? - ANSWER- ALL
-Pad footing, Strap footing, Combined footing
-Spread footing, Isolated footing, Strip footing
-Mat footing, Continuous footing, Raft footing
What is the minimum slope-away recommended in the final grading of foundation backfilling after the placement of concrete? - ANSWER- ¼" per foot pitch
Which of the following options is not related to concrete pouring preparation? - ANSWER- Legal site inspector should be available on site
Which of the following concrete pouring strategies works well for a long normal slab? - ANSWER- Start from farther area of slab
Which of the following pieces of equipment are commonly used for manual excavation for small buildings? - ANSWER- Crowbar , pickaxe, shovel 2 / 4
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Explanation:
The answer is crowbar, pickaxe, and shovel because of the key phrase "small buildings" in the question.
Which of the following activities is performed to measure the quality of compaction a building foundation? - ANSWER- Proof Rolling
How many methods of construction dewatering are commonly used in concrete building projects? - ANSWER- 3
Explanation:
There are three dewatering methods as given below:
Well points Sumps and ditches Relief wells
Which of the following are the results of a concrete slump test carried out during the placing of concrete on site? - ANSWER- Zero, True, Shear , collapsed
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What is the unit of concrete quantity take-off? - ANSWER- Cubic feet
Which of the following concrete pouring strategies is commonly adopted while filling stair steps? - ANSWER- From bottom to top
How much water needs to be added to the concrete to increase the slump value of a cubic yard of concrete by one unit? - ANSWER- One gallon
Which of the following factors increases the drying shrinkage as well as creeping in concrete structures ? - ANSWER- Low Temperature & Low Relative Humidity
Which of the following are three major types of concrete project cost estimates that are commonly used in the project planning? - ANSWER- Preliminary Estimate, Detailed Estimate, Engineer's Estimate
Explanation:
Preliminary estimate is general conceptual estimate based on the conceptual design of a project.
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