The permissible diagonal tensile stress in reinforced brick work is_____________?
(A) about 0.1 N/mm2
(B) zero
(C) 0.3 N/mm2 to 0.7 N/mm2
(D) about 1.0 N/mm2
If the size of panel in a flat slab is 6m x 6m, then as per Indian Standard Code, the widths of column strip and middle strip are__________________?
(A) 3.0 m and 1.5 m
(B) 1.5 m and 3.0 m
(C) 3.0 m and 3.0 m
(D) 1.5 m and 1.5 m
Half of the main steel in a simply supported slab is bent up near the support at a distance of x from the center of slab bearing where x is equal to________________?
(A) 1/3
(B) 1/5
(C) 1/7
(D) 1/10 where 1 is the span
In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by_______________?
(A) 10%
(B) 20%
(C) 30%
(D) 40%
Ratio of permissible stress in direct compression and bending compression is______________?
(A) less than 1
(B) between 1 and 1.5
(C) between 1.5 and 2.0
(D) greater than 2
If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section_______________?
(A) depends on as, only
(B) depends on aCbC only
(C) depends on both crst and acbc
(D) is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bend¬ing compression
Modulus of elasticity of steel as per IS : 456-1978 shall be taken as______________?
(A) 20 kN/cm2
(B) 200 kN/cm2
(C) 200kN/mm2
(D) 2xl06N/cm2
For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory_______________?
(A) is always less than 1
(B) is always greater than 1
(C) can be more than 1
(D) can be less than 1
The temperature reinforcement in the vertical slab of a T-shaped R.C. retaining wall is______________?
(A) not needed
(B) provided equally on inner and front faces
(C) provided more on inner face than on front face
(D) provided more on front face than on inner face
Which of the following R.C. retaining walls is suitable for heights beyond 6m ?
(A) L-shaped wall
(B) T-shaped wall
(C) counterfort type
(D) all of the above