Liquefied gas tank truck
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For a liquefied gas tank truck with top-loading and unloading, where the inlet and outlet pipes of the tank are submerged underwater, if those submersed pipes are extended upward indefinitely, how high up will the liquid in the tank truck rise? Is it the pressure of the gas inside the tank minus atmospheric pressure, then divided by the liquid density and the value of small g? If the top of the elongated tube is blocked and there is air inside the tube, can the liquid still rise? In other words, is the air pushed into the storage tank?
The top of the elongated tube is blocked, so the liquid cannot rise. If blocked with air, ice will form at the bottom, causing an ice blockage.