Thanx very much for your quick answer.
I take you are saying that once the pressures are equal, then the energy to exhaust the bilge tank is not a lot. How do you think submarines remove the water in these type of situations? Do the use a ram or some form of suction pump?
I have a strange question...and from this post, you will be able to tell that I am not a marine engineer (Actually, I am a software engineer).
Anyway, here is the question. I am trying to understand ocean pressure.
Let me present the scenario. Lets say you had a vessel submerged several...
