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Application Form Part 2 and Technical Industry Questions – Certificate III in Concreting
Application Form Part 2 and Technical Industry Questions – Certificate III in Concreting
20/02/2023
1.
Excavate a trench by hand
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
2.
Site Set Out and Levelling (Setting out L-and T-shape building on a site with fall; Use Spirit level, Optical or Dumpy level, Laser level)
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
3.
Reinforcement: Place and fix reinforcement materials including deformed bars, rods and mesh sheets.
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
4.
Calculate type and amount of concrete, and organise pour (including staff and timing)
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
5.
Place concrete (at least 3 precast panels or a concrete slab to a size of at least 100 square metres)
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
6.
Finish concrete (precast or non-precast concrete using a steel trowel, edging and jointing tool)
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
7.
Cure concrete (precast or non-precast concrete by using a curing compound, covering, flooding, or ponding, fogging or steaming)
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
8.
Apply decorative finishes (colour, exposed aggregate, pattern, stamping, polish and stencilling)
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
9.
Cut and core concrete (Saw-cutting joints, Core hole through concrete)
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
10.
Repair and rectify concrete (Repair defects such as cracks, broken edges, blistered, tolerance level repairs, cutting and replacing concrete)
Weekly
Monthly
Every 3 months
Once or twice a year
Rarely or never
None
11.
What are the 3 main ingredients of concrete?
Water, aggregate & cement
Water, stone & lime
Saltwater, gravel & cement
Curing agent, aggregate & cement
None
12.
Why are control joints put in a concrete slab?
To allow controlled movement in the slab
To stop movement in a slab
They are not required for house slabs, only driveways
To be used for screeding the concrete surface
None
13.
What reinforcement materials are commonly used in a concrete slab?
Steel bars and mesh
Visqueen
Timber but only treated pine as this is resistant to termite attack
Water
None
14.
What grade of concrete is recommended for a standard driveway?
40mpa
25mpa
60mpa
100mpa
None
15.
Concrete is strongest in …
Compression
Tension
Compression & tension
Torsion shear
None
16.
After concrete has been placed when can the bull float be applied?
Immediately after placement
After the vibrator has been used
Immediately after the initial screeding while the concrete is still plastic
Only after certification by an engineer
None
17.
After concrete has been placed it can be finished by mechanical or manual trowelling at what stage of the process?
Immediately after the initial screed
After the concrete has cured
After the formwork has been removed
After the bleed water has come to the surface and evaporated.
None
18.
Why would you vibrate concrete?
To minimise air pockets in the concrete
To help level the concrete surface
To test the strength of the formwork
To test the strength of the concrete
None
19.
If you are pouring an exposed aggregate driveway, what extra precautions do you need to take to protect the environment?
Contain the cement slurry and prevent it from flowing into the stormwater drain
Watch that the stencils do not blow away
Control the amount of dust in the air by maximising water usage
Wear PPE
None
20.
What is meant by the term “Curing Concrete”?
The process of controlling the rate and extent of moisture loss from concrete during cement hydration
The ratio of water to cement in concrete
Quality of the finished surface of the concrete
The strength of the concrete after 28 days
None
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