The anchorage value of standard U-type hook of a reinforcing bar of diameter d in tension, is______________?

A. 1.25%
B. 2.5%
C. 5.0%
D. 7.5%

A. paints
B. loose rust
C. loose mill scales
D. All the above

A. slabs spanning upto 4.5 m is 14 days
B. beams spanning upto 6 m is 14 days
C. slabs spanning upto 4.5 m is 7 days
D. All the above

A. 5%
B. 10%
C. 15%
D. 25%

A. 1500 kg/cm2
B. 1650 kg/cm2
C. 1800 kg/cm2
D. 1890 kg/cm2