CCIL EXAM UPDATED ACTUAL Exam
Questions and CORRECT Answers
The sample shall be taken between ___ & __ points of the discharge - CORRECT
ANSWER - 10% and 90%
For 100mm x 200mm cylinders are to be cast a minimum of ____ sample - CORRECT
ANSWER - 20L
For 150mm x 300mm cylinders are to be cast a minimum of ____ sample - CORRECT
ANSWER - 30L
For 150mm x 150mm x 535 cylinders are to be cast a minimum of ____ sample - CORRECT
ANSWER - 55L
Concrete may be reused from the slump test for other test - CORRECT ANSWER - True
The samples shall be obtained transported and mixed within ____ - CORRECT
ANSWER - 10 minutes
The samples shall be protected from - CORRECT ANSWER - 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 - CORRECT ANSWER - Wet sieving prior to testing
For all density test, an unsieved sample shall be used - CORRECT ANSWER - True
Do not use cardboard moulds for specified concrete strength greater than - CORRECT
ANSWER - 35
, For 100mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ &
___mm in length - CORRECT ANSWER - 10mm +|- 1, 450mm &650mm
For 150mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ & mm
in length - CORRECT ANSWER - 16 +|-1, 450mm not more 600mm
Moist room shall be maintained at a temp of _____ & the relative humidity of not less than ____
- CORRECT ANSWER - 23 +/- 2, 95%
Temp record for moist room at least 5 days per week within a accuracy of ___ - CORRECT
ANSWER - 0.5°C
Temp device in moist room, the range of ____ - CORRECT ANSWER - 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? - CORRECT ANSWER - 20 minutes
Place of moulding is to be stored during the first - CORRECT ANSWER - 28 hr +/- 8hr
Concrete consolidation of test specimen greater than 40mm slump - CORRECT
ANSWER - Rodding
Concrete consolidation of test specimen less than 40mm slump - CORRECT ANSWER -
Vibration method
Depression and projection shall not exceed ___ for compressive strength greater or equal than
35mPa - CORRECT ANSWER - 1mm
Questions and CORRECT Answers
The sample shall be taken between ___ & __ points of the discharge - CORRECT
ANSWER - 10% and 90%
For 100mm x 200mm cylinders are to be cast a minimum of ____ sample - CORRECT
ANSWER - 20L
For 150mm x 300mm cylinders are to be cast a minimum of ____ sample - CORRECT
ANSWER - 30L
For 150mm x 150mm x 535 cylinders are to be cast a minimum of ____ sample - CORRECT
ANSWER - 55L
Concrete may be reused from the slump test for other test - CORRECT ANSWER - True
The samples shall be obtained transported and mixed within ____ - CORRECT
ANSWER - 10 minutes
The samples shall be protected from - CORRECT ANSWER - 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 - CORRECT ANSWER - Wet sieving prior to testing
For all density test, an unsieved sample shall be used - CORRECT ANSWER - True
Do not use cardboard moulds for specified concrete strength greater than - CORRECT
ANSWER - 35
, For 100mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ &
___mm in length - CORRECT ANSWER - 10mm +|- 1, 450mm &650mm
For 150mm x 200mm cylinder, use a round steel rod ____ in diameter and between ____ & mm
in length - CORRECT ANSWER - 16 +|-1, 450mm not more 600mm
Moist room shall be maintained at a temp of _____ & the relative humidity of not less than ____
- CORRECT ANSWER - 23 +/- 2, 95%
Temp record for moist room at least 5 days per week within a accuracy of ___ - CORRECT
ANSWER - 0.5°C
Temp device in moist room, the range of ____ - CORRECT ANSWER - 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? - CORRECT ANSWER - 20 minutes
Place of moulding is to be stored during the first - CORRECT ANSWER - 28 hr +/- 8hr
Concrete consolidation of test specimen greater than 40mm slump - CORRECT
ANSWER - Rodding
Concrete consolidation of test specimen less than 40mm slump - CORRECT ANSWER -
Vibration method
Depression and projection shall not exceed ___ for compressive strength greater or equal than
35mPa - CORRECT ANSWER - 1mm
