The tests performed for detecting whether bitumen is cracked or not, is/are :
(a) Spot test
(b) Solubility test
(c) Float test
(d) Ductility test
Select the correct alternative out of the following:
1
(a) only
2
(a) and (b) only
3
(a), (c) and (d) only
4
(b) and (d) only