For the dry rodded bulk density test of coarse aggregate as performed in lab 4, angular aggregates have more void space than rounded aggregates. ON True O B) False What are the steps of placing fresh concrete? OA) Float, Screed, Consolidate O B) Screed, Consolidate, Float OC) Consolidate, Float, Screed O D) Consolidate, Screed, Float When working with concrete in hot weather, what is an acceptable measure to help in the batching and placing of concrete? OA Spray concrete forms O B) All of the above OC Spray the aggregates OD) Add ice at the batch plant The highest concrete strength is obtained when there is a: ON Low w/c and concrete is moist cured for as long as possible O B) High w/c and concrete is moist cured for as long as possible O9 Low w/c and concrete is moist cured for 24 hours and then dried O D) High w/c and concrete is air cured for as long as possible < O O
For the dry rodded bulk density test of coarse aggregate as performed in lab 4, angular aggregates have more void space than rounded aggregates. ON True O B) False What are the steps of placing fresh concrete? OA) Float, Screed, Consolidate O B) Screed, Consolidate, Float OC) Consolidate, Float, Screed O D) Consolidate, Screed, Float When working with concrete in hot weather, what is an acceptable measure to help in the batching and placing of concrete? OA Spray concrete forms O B) All of the above OC Spray the aggregates OD) Add ice at the batch plant The highest concrete strength is obtained when there is a: ON Low w/c and concrete is moist cured for as long as possible O B) High w/c and concrete is moist cured for as long as possible O9 Low w/c and concrete is moist cured for 24 hours and then dried O D) High w/c and concrete is air cured for as long as possible < O O
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:For the dry rodded bulk density test of coarse aggregate as performed in lab 4,
angular aggregates have more void space than rounded aggregates.
OAI True
O B) False
What are the steps of placing fresh concrete?
OA Float, Screed, Consolidate
O B) Screed, Consolidate, Float
OC) Consolidate, Float, Screed
O D) Consolidate, Screed, Float
When working with concrete in hot weather, what is an acceptable measure to help
in the batching and placing of concrete?
O A) Spray concrete forms
O B) All of the above
O) Spray the aggregates
O D) Add ice at the batch plant
The highest concrete strength is obtained when there is a:
OA Low w/c and concrete is moist cured for as long as possible
B)
High w/c and concrete is moist cured for as long as possible
C) Low w/c and concrete is moist cured for 24 hours and then dried
D) High w/c and concrete is air cured for as long as possible
< o O
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