A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm2 steel. If the modular ratio (m) is 15, the depth of the neutral axis, is_________________?

Related Mcqs:

The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of___________________?

A. 10 mm B. 15 mm C. 20 mm D. 25 mm...

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 advantage of reinforced concrete, is due to_______________?

A. Monolithic character B. Fire-resisting and durability C. Economy because of less maintenance cost D. All the above...

In a beam the local bond stress Sb, is equal to_______________?

A. Shear force/(Leaver arm × Total perimeter of reinforcement) B. Total perimeter of reinforcement/(Leaver arm × Shear force) C. Leaver arm/(Shear force × Total perimeter of reinforcement) D. Leaver arm/(Bending moment × Total perimeter of reinforcement)...

If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is______________?

A. 37 cm B. 38 cm C. 39 cm D. 40 cm...