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Design of Concrete Structures Questions And Answers.

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Exercise :: Design of Concrete Structures
1.The property of the ingredients to separate from each other while placing the concrete is called______?
A. segregation
B. compaction
C. shrinkage
D. bulking
2.Approximate value of shrinkage strain in concrete, is_____?
A. 0.003
B. 0.0003
C. 0.00003
D. 0.03
3.Workability of concrete is directly proportional to________________?
A. aggregate cement ratio
B. time of transit
C. grading of the aggregate
D. all of above
4.The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by______?
A. tcr – rcs = tct
B. fcr>fcs>fc
C. fcr
D. fc5>fcr>fC
5.Strength of concrete increases with_______?
A. increase in water-cement ratio
B. increase in fineness of cement
C. decrease in curing time
D. decrease in size of aggregate