engineering recuitment DVC Junior Engineer Mock Test 2024 Soil Mechanics and Foundation Engineering Well Hydraulics
Statement 1 - In DTH drilling impact force acts on the rock at top of the hole.
Statement 2- DTH is more suitable for the big hole of hard rock drilling.
Which one of the following options is correct?
1
Both Statement 1 and 2 are correct.
2
Only statement 1 is correct.
3
Only statement 2 is correct.
4
None of the statement is correct.