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.Management Sciences
Category: Design of Concrete Structures
Lap length in compression shall not be less than______________?
0
A. 15 4>
B. 20
C. 24 (j)
D. 30 (j)
where (j) is diameter of bar
If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called________________?
A. balanced beam
B. under-reinforced beam
C. over-reinforced beam
D. none of the above
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<fcs
D. fc5>fcr>fC
To minimise the effect of differential settlement, the area of a footing should be designed for______________?
A. dead load only
B. dead load + live load
C. dead load + fraction of live load
D. live load + fraction of dead load
The recommended value of modular ratio for reinforced brick work is______________?
A. 18
B. 30
C. 40
D. 58
The property of the ingredients to separate from each other while placing the concrete is called____________?
A. segregation
B. compaction
C. shrinkage
D. bulking
Due to circumferential action of the spiral in a spirally reinforced column________________?
A. capacity of column is decreased
B. ductility of column reduces
C. capacity of column is decreased but ductility of column increases
D. both the capacity of column and ductility of column increase
If a beam fails in bond, then its bond strength can be increased most economi-cally by___________?
A. increasing the depth of beam
B. using thinner bars but more in number
C. using thicker bars but less in number
D. providing vertical stirrups
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