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CET 2343 Exam 3 questions with complete solutions
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CET 2343 Exam 3 questions with complete solutions
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CET 2343 Exam 3 questions withcomplete solutions
According to ASTM C94, the concrete manufacturer should furnish the purchaser a delivery ticket with
information about the location of ready-mix batch plant and truck number. - correct answer ✔✔True
Materials for ready mixed concrete is batching by only volume. - correct answer ✔✔False
Liquid admixtures are batches in fluid ounces. - correct answer ✔✔True
Powdered admixtures are hatched by volume in fluid ounces. - correct answer ✔✔False
What are the discharge time and revolution limits per ASTM C94? - correct answer ✔✔1.5 hours, no
revolution limit
When ordering concrete, the common practice has been to order _________ of concrete calculated from
form dimensions during construction. - correct answer ✔✔3-10% more than the exact calculated
amount.
Concrete can be commonly transported from the batch plant to the jobsite using ______? - correct
answer ✔✔Ready-mix truck
What are the two common types of concrete batch plants? - correct answer ✔✔Dry batch plant and
central batch plant
What is the difference between dry batch plants and central batch plants? - correct answer ✔✔Dry
batch mixes concrete in the truck and central uses a central mixer.
What are the different equipment within a batch plant? - correct answer ✔✔Cement silo, aggregate
bins, batch house, water tank, admixture tanks.
, From a dry batch plant, a concrete mixture design can be commonly batched to the nearest 1 lb. -
correct answer ✔✔False
According to ASTM C94, how many revolutions must a ready mix truck turn for a dry batch plant? -
correct answer ✔✔70
What is the place that monitors and controls the operations of a concrete batch plant? - correct answer
✔✔Batch house
If a ready-mix truck is needed to arrive on the jobsite at 9:00 am, when should the ready-mix truck start
loading if the job is a 25 minutes drive and it takes 10 minutes to load the ready-mix truck? - correct
answer ✔✔8:25 am
The common dry batch sequence of typical concrete mixtures has headwater of roughly 2/3 and
tailwater of roughly 1/3. - correct answer ✔✔True
The common central batch sequence of typical concrete mixtures has water being continuously being
batched throughout the batching sequence. - correct answer ✔✔True
The common central batch sequence of typical concrete mixtures had all the water added at the end of
the batch sequence. - correct answer ✔✔False
What is a preconstruction meeting? - correct answer ✔✔An extremely important first time meeting to
create the lines of communication for a specific project.
How is the rate of discharge controlled on a ready-mix drum truck? - correct answer ✔✔Rate of
revolutions
What is a batch ticket? - correct answer ✔✔Document containing the weights of the materials batched
What is a delivery ticket? - correct answer ✔✔The purchasing receipt of the concrete
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