ACI WRITTEN EXAMINATION WITH CORRECT
ANSWERS PROVIDED
3 ✔✔thermometer must be inserted _____ inches
plus or minus 1 ✔✔thermometer must be accurate to ____ degree
30*-120*F ✔✔thermometer must be able to measure temperature from ____ to ____ degrees
annually or whenever there is a question of accuracy ✔✔thermometer should be verified ____ or ____
degree ✔✔report the temperature to the nearest ___
dampen the container ✔✔what must be done to the sample container before a sample is taken
stationary, paving, revolving drum truck, continuous, open top ✔✔C172 covers sampling from 5 kinds of
equipment ____,____,____,____,____
15 minutes ✔✔the time between obtaining the first and final portions of a sample cannot be more than
____
remixed ✔✔samples must be ______ after transporting, and before beginning testing
5 minutes ✔✔start testing for slump, air, and temperature within ____ of obtaining the final sample
15 minutes ✔✔start molding strength specimens within ______ after fabricating the sample
sun, wind, rapid evaporation, and contamination ✔✔the sample must be protected from ______
, 1 ft^3 ✔✔the minimum size sample for creating strength test specimens is _____
2 times ✔✔for all mixer types but paving the batch must be sampled ____
5 times ✔✔For paving mixers the concrete must be sampled ____
all materials are added to the mixer ✔✔concrete samples from a truck mixture must be obtained after
___
wet-sieved ✔✔if the aggregate size is too large for a test specification it must be ____
1 1/2 inches ✔✔The maximum sized aggregate for a slump test is ___
frustum of a cone ✔✔the shape of the slump mold is ____
1 foot tall, bottom is 8 inches wide and top is 4 inches wide ✔✔the dimensions of the slump cone are
____
plus or minus 1/8 inches ✔✔the tolerance for the dimensions of a cone is ____
hemispherical ✔✔the end of the tamping rod must be ____
C172 ✔✔the sample of concrete must be in accordance with
rigid flat level damp and free of vibration ✔✔the surface on which the slump will be placed must be
____
3 layers ✔✔the slump is filled in ___ layers
ANSWERS PROVIDED
3 ✔✔thermometer must be inserted _____ inches
plus or minus 1 ✔✔thermometer must be accurate to ____ degree
30*-120*F ✔✔thermometer must be able to measure temperature from ____ to ____ degrees
annually or whenever there is a question of accuracy ✔✔thermometer should be verified ____ or ____
degree ✔✔report the temperature to the nearest ___
dampen the container ✔✔what must be done to the sample container before a sample is taken
stationary, paving, revolving drum truck, continuous, open top ✔✔C172 covers sampling from 5 kinds of
equipment ____,____,____,____,____
15 minutes ✔✔the time between obtaining the first and final portions of a sample cannot be more than
____
remixed ✔✔samples must be ______ after transporting, and before beginning testing
5 minutes ✔✔start testing for slump, air, and temperature within ____ of obtaining the final sample
15 minutes ✔✔start molding strength specimens within ______ after fabricating the sample
sun, wind, rapid evaporation, and contamination ✔✔the sample must be protected from ______
, 1 ft^3 ✔✔the minimum size sample for creating strength test specimens is _____
2 times ✔✔for all mixer types but paving the batch must be sampled ____
5 times ✔✔For paving mixers the concrete must be sampled ____
all materials are added to the mixer ✔✔concrete samples from a truck mixture must be obtained after
___
wet-sieved ✔✔if the aggregate size is too large for a test specification it must be ____
1 1/2 inches ✔✔The maximum sized aggregate for a slump test is ___
frustum of a cone ✔✔the shape of the slump mold is ____
1 foot tall, bottom is 8 inches wide and top is 4 inches wide ✔✔the dimensions of the slump cone are
____
plus or minus 1/8 inches ✔✔the tolerance for the dimensions of a cone is ____
hemispherical ✔✔the end of the tamping rod must be ____
C172 ✔✔the sample of concrete must be in accordance with
rigid flat level damp and free of vibration ✔✔the surface on which the slump will be placed must be
____
3 layers ✔✔the slump is filled in ___ layers
