CET 2343 Exam 3
Comprehensive Questions
(Frequently Tested) with
Verified Answers Graded A+
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. - Answer:
true
Materials for ready mixed concrete is batching by only volume. - Answer: false
Liquid admixtures are batched by volume in fluid ounces - Answer: true
Powered admixtures are batched by volume in fluid ounces. - Answer: false
What are the discharge time and revolution limits per ASTM C94? - 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. - Answer: 3 to 10 % more than the exact calculated
amount
, Concrete can be commonly transported from the batch plant to the jobsite using ______? -
Answer: Ready-mix truck
What are the two common types of concrete batch plants? - Answer: dry batch plant and
central batch plant
What is the difference between dry batch plants and central batch plants? - Answer: dry batch
mixes concrete in the truck and central batch uses a central mixer.
What are the different equipment within a batch plant? - Answer: cement silo, fly ash 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.
- Answer: false
According to ASTM C 94, how many revolutions must a ready-mix truck turn for a dry batch
plant? - Answer: 70
What is the place that monitors and controls the operation of a concrete batch plant? - 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? - 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 - Answer: true
Comprehensive Questions
(Frequently Tested) with
Verified Answers Graded A+
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. - Answer:
true
Materials for ready mixed concrete is batching by only volume. - Answer: false
Liquid admixtures are batched by volume in fluid ounces - Answer: true
Powered admixtures are batched by volume in fluid ounces. - Answer: false
What are the discharge time and revolution limits per ASTM C94? - 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. - Answer: 3 to 10 % more than the exact calculated
amount
, Concrete can be commonly transported from the batch plant to the jobsite using ______? -
Answer: Ready-mix truck
What are the two common types of concrete batch plants? - Answer: dry batch plant and
central batch plant
What is the difference between dry batch plants and central batch plants? - Answer: dry batch
mixes concrete in the truck and central batch uses a central mixer.
What are the different equipment within a batch plant? - Answer: cement silo, fly ash 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.
- Answer: false
According to ASTM C 94, how many revolutions must a ready-mix truck turn for a dry batch
plant? - Answer: 70
What is the place that monitors and controls the operation of a concrete batch plant? - 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? - 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 - Answer: true
