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.Management Sciences
Category: RCC Structures Design
The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than_______________?
0
A. 18 bar diameters
B. 24 bar diameters
C. 30 bar diameters
D. 36 bar diameters
In a cantilever retaining wall without a heel slab______________?
A. Thickness of the stem is kept same throughout
B. Base slab is made 10 cm thicker than the stem
C. Width of the base slab is kept 0.7 time the total height of the wall
D. All the above
If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where is the distance of centre of gravity of column loads______________?
A. y = L – (l – ) )
B. y = L/2 + (l –
C. y = L/2 – (l + )
D. y = L/2 – (l – )
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt________________?
A. Is safe in shear
B. Is unsafe in shear
C. Is over safe in shear
D. Needs redesigning
Cantilever retaining walls can safely be used for a height not more than_______________?
A. 3 m
B. 4 m
C. 5 m
D. 6 m
Piles are usually driven by________________?
A. Diesel operated hammer
B. Drop hammer
C. Single acting steam hammer
D. All the above
A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is_____________________?
A. WL/P
B. WL/2P
C. WL/3P
D. WL/4P
In a combined footing if shear stress does not exceed 5 kg/cm2, the nominal stirrups provided are________________?
A. 6 legged
B. 8 legged
C. 10 legged
D. 12 legged
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