Construction aggregate MCQs : Here you will find MCQ Questions related to "Construction aggregate" in Concrete Technology. These Construction aggregate MCQ Questions Will help you to improve your Concrete Technology knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations
Question 1
Which of the following true about Construction aggregate?
A. Construction aggregate, or simply aggregate, is a broad category of coarse- to medium-grained particulate material used in construction
B. Aggregates are the most mined materials in the world
C. Aggregates are a component of composite materials such as concrete and asphalt concrete
D. All of the above
Question 2
Aggregates are also used as base material under foundations, roads, and railroads.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 3
Who publishes an exhaustive listing of specifications including ASTM D 692 and ASTM D 1073 for various construction aggregate products?
A. DSTM
B. RTSD
C. ASTM
D. PADT
Question 4
Natural aggregates come in which category?
A. Based on size
B. Based on density
C. Based on shape
D. Based on origin
Question 5
How many types of aggregates based on geological origin?
A. 1
B. 2
C. 3
D. 4
Question 6
The unit weight of heavy weight concrete varies from __________ kg/m^3.
A. 800
B. 1600
C. 2400
D. 3000
Question 7
Bulking ___________ with increase in moisture
A. increase
B. decrease
C. First decrease then increase
D. First increase then decrease
Question 8
The largest-volume of recycled material used as construction aggregate is blast furnace and steel furnace slag.
A. Yes
B. No
C. Can be yes or no
D. Can not say
Question 9
What is the size of fine aggregates?
A. 4.75mm
B. < 4.75mm
C. > 4.75mm
D. 12mm
Question 10
What are artificial aggregates?
A. Those who obtained from river beds
B. Those who are manufactured naturally
C. Those who are mechanically obtained
D. Who has smooth surface