railway RRB JE (CBT I + CBT II) Mock Test 2024 Soil Mechanics and Foundation Engineering Site Investigation and Sub-Soil Exploration
Consider the following statements :
1. Undisturbed samples may be obtained with the help of augers.
2. Auger drilling is most effective in clayey soils.
3. Hollow stem augers are sometimes used to drill holes in silty sand.
Which of these statements are correct ?
1
1, 2 and 3
2
1 and 2 only
3
2 and 3 only
4
1 and 3 only