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CCIL EXAM Questions and Correct Answer
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CCIL EXAM Questions and Correct Answer
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Elscores 8/19/2024 9:53:51 AMCCIL EXAM Questions and Correct
Answer
The sample shall be taken between ___ & __ points of the discharge
➢ ~: 10% and 90%
For 100mm x 200mm cylinders are to be cast a minimum of ____ sample
➢ ~: 20L
For 150mm x 300mm cylinders are to be cast a minimum of ____ sample
➢ ~: 30L
For 150mm x 150mm x 535 cylinders are to be cast a minimum of ____ sample
➢ ~: 55L
Concrete may be reused from the slump test for other test
➢ ~: True
The samples shall be obtained transported and mixed within ____
➢ ~: 10 minutes
The samples shall be protected from
➢ ~: Sun,Wind, other sources of evaporation and contamination
, Elscores 8/19/2024 9:53:51 AM
Concrete contains aggregate larger than the size of the moulds, what is the process the sample
should go through
➢ ~: Wet sieving prior to testing
For all density test, an unsieved sample shall be used
➢ ~: True
Do not use cardboard moulds for specified concrete strength greater than
➢ ~: 35
For 100mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ &
___mm in length
➢ ~: 10mm +|- 1, 450mm &650mm
For 150mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ &
mm in length
➢ ~: 16 +|-1, 450mm not more 600mm
Moist room shall be maintained at a temp of _____ & the relative humidity of not less than
____
➢ ~: 23 +/- 2, 95%
Temp record for moist room at least 5 days per week within a accuracy of ___
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