Concrete Technology - Final Exam Questions &
100% Correct Answers (Verified) Latest Update
Grade A+
QUESTIONS AND ANSWERS
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
The common central batch sequence of typical concrete mixtures has water being
continuously being batched throughout the batching sequence.. ANSWER - True
The common central batch sequence of typical concrete mixtures has all the water added at
the end of the batch sequence.. ANSWER - False
What is a preconstruction meeting?. ANSWER - an extremely important first time
meeting to create the lines of communications for a specific project
How is the rate of discharge controlled on a ready-mix drum truck?. ANSWER - rate of
revolutions
What is a batch ticket?. ANSWER - document containing the weights of the material
batched
100% Correct Answers (Verified) Latest Update
Grade A+
QUESTIONS AND ANSWERS
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
The common central batch sequence of typical concrete mixtures has water being
continuously being batched throughout the batching sequence.. ANSWER - True
The common central batch sequence of typical concrete mixtures has all the water added at
the end of the batch sequence.. ANSWER - False
What is a preconstruction meeting?. ANSWER - an extremely important first time
meeting to create the lines of communications for a specific project
How is the rate of discharge controlled on a ready-mix drum truck?. ANSWER - rate of
revolutions
What is a batch ticket?. ANSWER - document containing the weights of the material
batched
