railway RRB JE (CBT I + CBT II) Mock Test 2024 Construction Materials and Management Building Component
Which of the following statements is NOT true with respect to chemical grouting?
1
Can be employed to treat very fine fractures in moist environments.
2
Can be used to treat narrow concrete cracks.
3
The chemicals react with water to form gel/solid precipitate.
4
Does not require a high level of skill for application