CCIL Practice Test with Correct Answers 2024/ Verified
How many kilograms of aggregate needs to be collected for a nominal size aggregate of 20 mm? A) 10 B) 15 C) 25 D) 50 - Correct Answer C) 25
Coarse aggregate shall be shipped in the following: a) Rubbermaid container
b) secure container, or...
how many kilograms of aggregate needs to be collec
coarse aggregate shall be shipped in the following
when sampling stockpiles where power equipment is
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CCIL Practice Test with Correct Answers
2024/ Verified
How many kilograms of aggregate needs to be collected for a nominal size aggregate of 20 mm? A) 10 B)
15 C) 25 D) 50 - Correct Answer C) 25
Coarse aggregate shall be shipped in the following: a) Rubbermaid container
b) secure container, or sample bag c) ziplock bags d) Ziploc bags, and a secure container - Correct Answer b) secure container, or sample bag
When sampling stockpiles where power equipment is not available, samples should be made up of at least ____________ portions? A) 3 b) 4 c) 5 d) 6 - Correct Answer A) 3
A board pushed vertically into a pile just above the sampling point aids in preventing further segregation. A) True B) false - Correct Answer A) True
When sampling from transportation units, a minimum of three trenches should be dug into the aggregate measuring at least 0.3 m wide by at least 0.3 m below the surface. A minimum of_________portions from approximately equals space points along each trench should be taken by pushing the shovel downward into the material. A) 1 b) 2 c) 3 d) 4 - Correct Answer C) 3
Each sample or every container shall be accompanied by a sample tag, preferably in the container, having the following information choose all of which apply: a) name of the person who sampled it b) name of the person who submitted it c) source of supply d) date it was taken e) company name - Correct
Answer a) name of the person who sampled it b) name of the person who submitted it c) source of supply d) date it was taken e) company name
Every precaution shall be used when obtaining samples so that samples reflect the ___________ and ____________ of materials they represent. A) condition b) moisture c) nature d) structure - Correct Answer A) condition c) nature
When calibrating your density measure, you should fill the measure with water between _______ temperature. A) 15 and 25 degrees B) 15 and 30 degrees C) 18 and 28 degrees D) 20 and 30 degrees - Correct Answer C) 18 and 28 degrees When testing bulk density of an aggregate having a maximize size of 56 mm, the method of consolidation will be rodding. How many times per layer do you rod? A) 20 B) 25 C) 30 - Correct Answer B) 25
When rodding during a bulk density test how many layers should be used to fill the measure? A) 2 B) 3 C) 4 D) 6 - Correct Answer B) 3
Jigging is applicable for aggregate having a nominal size of ________ to ________ mm. A) 25, 56 B) 50, 60 C) 56, 80 D) none of the above - Correct Answer C) 56, 80
When determining the loose density of an aggregate, the measure is filled with a shovel or scoop from a height not to exceed _______ mm. A) 15 B) 20 C) 25 D) 50 - Correct Answer D) 50
When reporting results from a bulk density test, which of the following are not required? A) identification of the lab performing the test B) date the sample was obtained C) Source of the sample D) sample number E) none of the above - Correct Answer B) date the sample was obtained C) Source of the
sample
When sampling from a mixer the sample shall be taken between _________ and __________ points of the discharge? A) 5, 90 B) 25, 75 C) 10, 90 D) 20, 90 - Correct Answer C) 10, 90
Sampling between the points indicated in the previous question does not apply when a test for slump immediately prior to the addition if superplasticizer. A) True B) False - Correct Answer A) True
When sampling for uniformly of mixed concrete obtain _______ grab samples of concrete for comparative purposes from widely portions of the batch while the mixer is being emptied. A) 2 B) 3 C) 4 D) 5 - Correct Answer B) 3
For the molding if 3 cylinders, the individual samples to be used to determine the strength or uniformity of mixed concrete shall be a minimum of ________ when 100 mm x 200 mm cylinders are used. A) 10 L B) 15 L C) 20 L D) 30 L - Correct Answer C) 20 L
The sample shall be protected from sun, wind, and other sources of rapid evaporation, and from contamination. A) True B) False - Correct Answer A) True
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