The strength and durability of concrete depends on (a)Size of aggregate(Ans) (b)Grading of aggregate (c)Moisture content of aggregate (d)All of these 2. The breaking up of cohesion in a mass of concrete is called (a)Workability (b)Bleeding (c)Segregation(Ans) (d)Creep 3. The continuous strain, which the concrete undergoes due to application of...