A. 5 kg/cm2
B. 10 kg/cm 2
C. 15 kg/cm2
D. 20 kg/cm2
Related Mcqs:
- If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is__________________?
A. 28 d
B. 38 d
C. 48 d
D. 58 d - For M 150 mix concrete, according to I.S. specifications, local bond stress, is_________________?
A. 5 kg/cm2
B. 10 kg/cm 2
C. 15 kg/cm2
D. 20 kg/cm2 - A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is___________________?
A. 30
B. 35
C. 40
D. 45 - The maximum shear stress (q) in concrete of a reinforced cement concrete beam is_____________?
A. Shear force/(Lever arm × Width)
B. Lever arm/(Shear force × Width)
C. Width/(Lever arm × Shear force)
D. (Shear force × Width)/Lever arm - For M 150 grade concrete (1:2:4) the moment of resistance factor is_________________?
A. 0.87
B. 8.50
C. 7.50
D. 5.80 - 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 - The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is_______________?
A. 1400 kg/cm2
B. 190 kg/cm2
C. 260 kg/cm2
D. 230 kg/cm2 - 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 - According to I.S. 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than______________?
A. 20 cm
B. 30 cm
C. 40 cm
D. 75 cm - 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
