For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is____________________?
(A) 0.6
(B) 0.7
(C) 0.8
(D) 0.9
The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than________________?
(A) 4 mm
(B) 5 mm
(C) 6 mm
(D) 7 mm
If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and c are the modular ratio and maximum stress in the configuration of concrete, the strength of column is______________?
(A) cAc + m cAsc
(B) c(A – Asc) + m cAsc
(C) c[A + (m – 1)ASC]
(D) All the above
If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as___________________?
(A) wl²/4
(B) wl²/8
(C) wl²/10
(D) wl²/12
On an absolutely rigid foundation base, the pressure will________________?
(A) Be more at the edges of the foundation
(B) Be uniform
(C) Not be uniform
(D) Be zero at the centre of the foundation
The live load to be considered for an accessible roof, is________________?
(A) Nil
(B) 75 kg/m3
(C) 150 kg/m 2
(D) 200 kg/cm 2
According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than______________?
(A) 5 cm
(B) 10 cm
(C) 15 cm
(D) 20 cm
The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm 2 respectively. If m = 15, the depth of its neutral axis is_______________?
(A) 20 cm
(B) 25 cm
(C) 30 cm
(D) 35 cm
is the pre-stressed force applied to the tendon of a rectangular pre-stressed beam whose area of cross section is and sectional modulus is . The maximum stress in the beam, subjected to a maximum bending moment , is_________________?
(A) f = (P/A) + (Z/M)
(B) f = (A/P) + (M/Z)
(C) f = (P/A) + (M/Z)
(D) f = (P/A) + (M/6Z)
For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to______________?
(A) 10
(B) 15
(C) 25
(D) 20