state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 Current Affairs Science and Technology
The only manned submersible vehicle that can reach any region of Oceans, "DSV limiting factor", will be carried by the following research vessel
1
Titanic
2
Pressure drop
3
Endeavour
4
HMS challenger