Pressure Differentials News Today : Breaking News, Live Updates & Top Stories | Vimarsana

in the united states and around the world. i'm alex marquardt in washington. >> and i'm anderson cooper on the canadian coast. a new mission to investigate the debris of the imploded submersible. the company under intense scrutiny, as we're learning about early warnings that the sub might be unsafe. cnn's new reporting on the special counsel's january 6th investigation. sources revealing that at least two fake trump electors were given limited immunity in exchange for their grand jury testimony. and the chief of the wagner private military group makes a powerful claim, accusing l...

But these vessels typically needed to be pressure tested more often. and they typically have additional safety measures. and they almost always fail way earlier than a comparable steel structure. >> rachel, what would testing it more often -- this was only done seasonally. so, if they had tested between each use, would that be possible? would that have detected something? how rigorous kind of testing does it need to be? >> it depends on if you're doing it properly. so, when done properly, that kind of hydrostatic testing tests the vessel, the pressure vessel, to larger pressure differentials t...