CCIL EXAM QUESTIONS AND ANSWERS
2026 VERIFIED.
The sample shall be taken between ___ & __ points of the discharge - ANS 10% and 90%
For 100mm x 200mm cylinders are to be cast a minimum of ____ sample - ANS 20L
For 150mm x 300mm cylinders are to be cast a minimum of ____ sample - ANS 30L
For 150mm x 150mm x 535 cylinders are to be cast a minimum of ____ sample - ANS 55L
Concrete may be reused from the slump test for other test - ANS True
The samples shall be obtained transported and mixed within ____ - ANS 10 minutes
The samples shall be protected from - ANS Sun,Wind, other sources of evaporation and
contamination
Concrete contains aggregate larger than the size of the moulds, what is the process the sample
should go through - ANS Wet sieving prior to testing
For all density test, an unsieved sample shall be used - ANS True
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, Do not use cardboard moulds for specified concrete strength greater than - ANS 35
For 100mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ &
___mm in length - ANS 10mm +|- 1, 450mm &650mm
For 150mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ & mm
in length - ANS 16 +|-1, 450mm not more 600mm
Moist room shall be maintained at a temp of _____ & the relative humidity of not less than
____ - ANS 23 +/- 2, 95%
Temp record for moist room at least 5 days per week within a accuracy of ___ - ANS 0.5°C
Temp device in moist room, the range of ____ - ANS 0°C to50°C (+/- 0.5)
Moulding of strength test specimens must be completed within how many minutes after sample
has been transported and remixed? - ANS 20 minutes
Place of moulding is to be stored during the first - ANS 28 hr +/- 8hr
Concrete consolidation of test specimen greater than 40mm slump - ANS Rodding
Concrete consolidation of test specimen less than 40mm slump - ANS Vibration method
Depression and projection shall not exceed ___ for compressive strength greater or equal than
35mPa - ANS 1mm
Compression test specimens shall be cylindrical with a length equal to twice their diameter -
ANS True
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 6
2026 VERIFIED.
The sample shall be taken between ___ & __ points of the discharge - ANS 10% and 90%
For 100mm x 200mm cylinders are to be cast a minimum of ____ sample - ANS 20L
For 150mm x 300mm cylinders are to be cast a minimum of ____ sample - ANS 30L
For 150mm x 150mm x 535 cylinders are to be cast a minimum of ____ sample - ANS 55L
Concrete may be reused from the slump test for other test - ANS True
The samples shall be obtained transported and mixed within ____ - ANS 10 minutes
The samples shall be protected from - ANS Sun,Wind, other sources of evaporation and
contamination
Concrete contains aggregate larger than the size of the moulds, what is the process the sample
should go through - ANS Wet sieving prior to testing
For all density test, an unsieved sample shall be used - ANS True
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 6
, Do not use cardboard moulds for specified concrete strength greater than - ANS 35
For 100mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ &
___mm in length - ANS 10mm +|- 1, 450mm &650mm
For 150mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ & mm
in length - ANS 16 +|-1, 450mm not more 600mm
Moist room shall be maintained at a temp of _____ & the relative humidity of not less than
____ - ANS 23 +/- 2, 95%
Temp record for moist room at least 5 days per week within a accuracy of ___ - ANS 0.5°C
Temp device in moist room, the range of ____ - ANS 0°C to50°C (+/- 0.5)
Moulding of strength test specimens must be completed within how many minutes after sample
has been transported and remixed? - ANS 20 minutes
Place of moulding is to be stored during the first - ANS 28 hr +/- 8hr
Concrete consolidation of test specimen greater than 40mm slump - ANS Rodding
Concrete consolidation of test specimen less than 40mm slump - ANS Vibration method
Depression and projection shall not exceed ___ for compressive strength greater or equal than
35mPa - ANS 1mm
Compression test specimens shall be cylindrical with a length equal to twice their diameter -
ANS True
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 6
