ACI CONCRETE FIELD TESTING TECHNICIAN

ACI CONCRETE FIELD TESTING TECHNICIAN

GRADE 1 LATEST WITH ACTUAL

QUESTIONS AND CORRECT VERIFIED

ANSWERS ALREADY GRADED A+ 100%

GUARANTEED TO PASS CONCEPTS

◉When it is necessary to wet sieve the concrete sample, wet sieving should be performed after the individual samples are remixed into a

composite sample (T or F) . Answer: F

◉Tests for slump, temperature, and air content must begin within

______ minutes after obtaining the composite sample . Answer: 5

minutes

◉Begin molding test specimens within ______ minutes after obtaining

the composite sample . Answer: 15 minutes

◉The concrete samples should be protected from . Answer: the sun,

wind, and other sources of rapid evaporation, from contamination

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◉When test specimens are to be molded, the minimum size of sample

obtained is . Answer: 28 L (1 ft^3)

◉The primary objective of the sampling process is to obtain a

representative sample (T or F) . Answer: T

◉When sampling from a revolving drum truck mixer collect concrete

from ______ portions of the batch . Answer: 2 or more

◉Wet sieving is performed . Answer: when the concrete contains

aggregates larger than appropriate for a test

◉When sampling from a paving mixer it is not acceptable to place 3 small containers on the sub grade in order to obtain the required samples

of concrete (T or F) . Answer: F

◉TEMPERATURE . Answer:

◉it may require up to ___ min before the temp stabilizes when the NMS

of the coarse agg is greater than ___ . Answer: 20min., 3in.

◉The container for the concrete shall be large enough to provide at least ___ inches, or _____ of coarse agg, of concrete in all directions around

the TMD . Answer: 3in., 3 x NMS

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