Concrete Technology Strength Aggregates Online Exam Quiz
Concrete Technology Strength Aggregates GK Quiz. Question and Answers related to Concrete Technology Strength Aggregates. MCQ (Multiple Choice Questions with answers about Concrete Technology Strength Aggregates
What is void ratio?
Options
A : 1 – (bulk density/apparent sp gr)
B : (bulk density/apparent sp gr) – 1
C : 1 – bulk density/apparent sp gr
D : bulk density/apparent sp gr – 1
The unit weight of heavy weight concrete varies from __________ kg/m3.
Options
A : 1000
B : 2400
C : 2000
D : 1400
The ratio of the mass of the aggregate dried in an oven at ___________ for 24 hours to the mass of the water occupying a volume equal to that of solid.
Options
A : 100-110oC
B : 150-180oC
C : 100oC
D : 1500oC
The average specific gravity of natural aggregate is?
Options
A : 2.7
B : 3
C : 1.5
D : 1
Aggregate abrasion value is determined by__________
Options
A : Aggregates crushing strength
B : Los Angeles abrasion test
C : Aggregates Impact value test
D : Ten percent fine test
The 28 days cube strength of mass concrete using aggregates of maximum size 5 cm for gravity dams should be _________
Options
A : Between 150 to 300 kg/cm2
B : Between 350 to 600 kg/cm2
C : Between 150 to 400 kg/cm2
D : Less than 200 kg/cm2
Pick up the most appropriate statement from the following.
Options
A : Bulk density of normal weight aggregate is 1600 kg/m3
B : Bulk density of normal weight aggregate is 2000 kg/m3
C : Bulk density of normal weight aggregate is 1000 kg/m3
D : Bulk density of normal weight aggregate is 1250 kg/m3
S.I. unit of bulk density is?
Options
A : kg/l
B : g/ml
C : kg/ml
D : g/l
The use of crushed aggregates may results in 10 to 20% higher compressive strength.
Options
A : True
B : False
C :
D :
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