The minimum cube strength of concrete used for a pre-stressed member, is________________?

Related Mcqs:

Lapped splices in tensile reinforcement are generally not used for bars of size larger than______________?

A. 18 mm diameter B. 24 mm diameter C. 30 mm diameter D. 36 mm diameter...

If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight w per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is )/(1 + sin )]_________________?

A. h = (W/Aw) [(1 – B. h = (W/Aw) [(1 + )/(1 + sin )] C. h = (W/Aw) [(1 – )/(1 + sin )]² D. h W/Aw) [(1 – )/(1 + sin )]²...

To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is________________?

A. 0.107 L B. 0.207 L C. 0.307 L D. 0.407 L...

If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm2, the share stirrups are provided for a distance from either end where, is________________?

A. 50 cm B. 100 cm C. 150 cm D. 200 cm...

If the modular ratio is , steel ratio is and overall depth of a beam is , the depth of the critical neutral axis of the beam, is___________________?

A. [m/(m – r)] d B. [m/(m + r)] d C. [(m + r)/ m] d D. [(r – m)/m] d...