For walls, columns and vertical faces of all structural members, the form work is generally removed after______________?

Related Mcqs:

The relation between modulus of rupturefcr and characteristic strength of concrete fck is given by_______________?

A. fcr=0.35Vf7 B. fcr=0.57f7 C. fcr=0.7Vf7 D. fcr=1.2Vf7 where fcr and fck are in N/mm2′...

The factor of safety for______________?

A. steel and concrete are same B. steel is lower than that for concrete C. steel is higher than that for concrete D. none of the above...

In reinforced concrete footing on soil, the minimum thickness at edge should not be less than______________?

A. 100 mm B. 150 mm C. 200 mm D. 250 mm...

The minimum diameter of longitudinal bars in a column is________________?

A. 6 mm B. 8 mm C. 12 mm D. 16 mm...

As per Whitney’s theory, the maximum moment of resistance of the balanced section of a beam of width b and effective depth d is given by_______________?

A. ^acybd2 B. ^acybd2 C. 0.185acybd2 D. 0.43acybd2 where acy is the cylinder compressive strength of concrete...