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Exam (elaborations)

CCIL Exam Questions and Answers.

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  • Course
  • CCIL
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  • CCIL

CCIL Exam Questions and Answers.

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  • September 27, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CCIL
  • CCIL
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FREEMANSHARP
CCIL Exam Questions and
Answers

Sampling from a mixer/truck agitator - answer Sample taken
between 10% and 90%, except when testing with Super P


Sampling plastic concrete - answer Pass receptacle through
discharge stream or divert stream into sampling container


Grab samples for uniformity testing - answer 3 grab samples
required


Sample size for casting 3 100mm x 200mm cylinders - answer
Minimum 20L sample size needed


Sample size for casting 150mm x 300mm cylinders - answer
Minimum 30L sample size needed


Sample size for casting 150mm x 150mm x 535mm beams - answer
Minimum 55L sample size needed


Extra sample for more than 3 cylinders/specimens - answer Volume
of cylinders/specimens plus 10% extra needed


Time for obtaining, transporting, and remixing sample - answer
Allowed 10 minutes for the process


Aggregate larger than appropriate - answer Must be wet-sieved
before testing

, Information required on reports - answer Includes conc mix no,
sample details, project info, technician, and deviations


Air Content in concrete - answer Volume of air voids in plastic
concrete, excluding pore space in aggregate


Slump in concrete - answer Measure of consistency post-removal of
slump cone, indicating subsidence


Slump Flow in concrete - answer Horizontal spread post-removal of
slump cone, indicating fluidity


Water-to-cementing materials ratios - answer 3 ratios needed for
concrete trial mixes


Stable temperature before mixing concrete - answer 23 C +/- 2 C
considered stable


Storage of cementing materials - answer In dry, moisture-proof
containers


Surface moisture in aggregate - answer Sample size of 500g-1000g
for obtaining surface moisture


Mixing concrete time - answer Mix 3 mins, rest 3 mins, mix 2 mins


Re-usable sample for casting cylinders - answer Slump or slump
flow sample, NOT air, must be remixed first


Cylinder mould requirements - answer Nonabsorbent, rigid, coated
with mineral oil

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