Slump Cone test, Compaction factor/Vee-Bee consistometer tests. 48-53 6 NDT of Structures: Non-destructive testing of concrete/structures by rebound hammer, etc. 54-56 7 57Tests on Aggregates: Specific gravity of fine and coarse aggregates. Specific Gravity and Water absorption of Coarse, and Fine Aggregate -62 8 Tests on Aggregates: