In order to obtain the best workability of concrete, the preferred shape of aggregate is_______________?
Modulus of rupture of concrete is a measure of_______________?
The percentage of voids in cement is approximately_______________?
To determine the modulus of rupture, the size of test specimen used is_______________?
The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called________________?
Workability of concrete is inversely pro¬portional to______________?
Air entrainment in the concrete increases________________?
Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is_______________?
Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is_____________?
If the permissible stress in steel in tension is 140 N/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be___________________?
