The correct statement regarding the compressive strength test of concrete is
1
Specimen - 100 × 100 × 100 mm, maximum coarse aggregate size = 28 mm, gradual load - 14 N/mm2/min
2
Specimen - 150 × 150 × 150 mm, maximum coarse aggregate size = 38 mm, gradual load - 14 N/mm2/min
3
Specimen - 150 × 150 × 150 cm, maximum coarse aggregate size = 38 mm, gradual load - 24 N/mm2/min
4
Specimen - 70.6 × 70.6 × 70.6 mm, maximum coarse aggregate size = 38 mm, gradual load - 24 N/mm2/min
5
Question Not Attempted