A pre-cast pile generally used, is______________?
(A) Circular
(B) Square
(C) Octagonal
(D) Square with corners chamfered
An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is__________________?
(A) Safe in shear
(B) Is safe with stirrups
(C) Is safe with stirrups and inclined members
(D) Needs revision of the section
The minimum thickness of a flat slab is taken_________________?
(A) L/32 for end panels without drops
(B) L/36 for end panels without drops
(C) L/36 for interior panels without drop
(D) All the above
The neutral axis of a T-beam exists_________________?
(A) Within the flange
(B) At the bottom edge of the slab
(C) Below the slab
(D) All the above
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) 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
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) (wx/wy) = (ly/lx)
(B) (wx/wy) = (ly/lx)²
(C) (wx/wy) = (ly/lx)4
(D) None of these
The transverse reinforcements provided at right angles to the main reinforcement_______________?
(A) Distribute the load
(B) Resist the temperature stresses
(C) Resist the shrinkage stress
(D) All the above
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) [( – )/2] h
(B) [( + )/4] h
(C) [( + )/2] h
(D) ( – h
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) R + T
(B) T – R
(C) 2 + T2)
(D) R – T
After pre-stressing process is completed, a loss of stress is due to______________?
(A) Shrinkage of concrete
(B) Elastic shortening of concrete
(C) Creep of concrete
(D) All the above