Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than__________________?

Related Mcqs:

The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by_______________?

A. tcr – rcs = tct B. fcr>fcs>fc C. fcr<fcs D. fc5>fcr>fC...

If a beam fails in bond, then its bond strength can be increased most economi-cally by___________?

A. increasing the depth of beam B. using thinner bars but more in number C. using thicker bars but less in number D. providing vertical stirrups...

The minimum cover in a slab should neither be less than the diameter of bar nor less than_______________?

A. 10 mm B. 15 mm C. 25 mm D. 13 mm...

The minimum diameter of longitudinal bars in a column is________________?

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

In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always________________?

A. zero B. tensile C. compressive D. tensile or compressive...