A. D = 0.0775 a
B. D = 0.775 a
C. D = 0.775 a
D. D = 0.775 a2
0
After pre-stressing process is completed, a loss of stress is due to______________?
0
If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width_______________?
A. Shrinkage of concrete
B. Elastic shortening of concrete
C. Creep of concrete
D. All the above
0
If p1 and P2 are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is____________________?
A. R + T
B. T – R
C. 2 + T2)
D. R – T
1
The transverse reinforcements provided at right angles to the main reinforcement_______________?
A. [( – )/2] h
B. [( + )/4] h
C. [( + )/2] h
D. ( – h
0
Long and short spans of a two way slab are l and l and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. Accordingy to xRankine Grashoff theory___________________?
A. Distribute the load
B. Resist the temperature stresses
C. Resist the shrinkage stress
D. All the above
0
In the zone of R.C.C. beam where shear stress is less than 5 kg/cm2, nominal reinforcement is provided at a pitch of________________?
A. (wx/wy) = (ly/lx)
B. (wx/wy) = (ly/lx)²
C. (wx/wy) = (ly/lx)4
D. None of these
0
High strength concrete is used in pre-stressed member________________?
A. One -half lever arm of the section
B. One-third lever arm of the section
C. Lever arm of the section
D. One and half lever arm of the section
0
on a circular slab of radius , the maximum radial moment at the centre of the If is the load slab, is WR²/16_____________?
A. To overcome high bearing stresses developed at the ends
B. To overcome bursting stresses at the ends
C. To provide high bond stresses
D. All the above
0
If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is__________________?
A. 2WR²/16
B. 3WR²/16
C. 5WR²/16
D> NON OF THESE
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