Moist sand may contain surface water by mass upto__________________? A. 1.25%B. 2.5% C. 5.0% D. 7.5%

The anchorage value of standard U-type hook of a reinforcing bar of diameter d in tension, is______________? A. 4 d B. 8d C. 12 dD. 16 d

The permissible bending stresses Pbet for steel slab bases should not exceed_______________? A. 1500 kg/cm2 B. 1650 kg/cm2 C. 1800 kg/cm2 D. 1890 kg/cm2

All reinforcement should be free from_________________? A. paints B. loose rust C. loose mill scalesD. All the above

The spans of filler joists supporting a slab may be considered approximately equal if the longest span does not exceed the shortest span more than__________________? A. 5% B. 10%C. 15% D. 25%

Removal of props under______________? 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 daysD. All the above