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CHEMICAL ENGINEERING QUESTION! I WILL RATE AND COMMENT! After being purged with nitrogen, a low-pressure tank...

CHEMICAL ENGINEERING QUESTION! I WILL RATE AND COMMENT!

After being purged with nitrogen, a low-pressure tank used to store flammable liquids is at a total pressure of 0.03 psig.

A) If the purging process is done in the morning when the tank and its contents are at 55 F, what will the pressure be in the tank when it is 85 F in the afternoon?

B) If the maxiumum design gauge pressure of the tank is 8 inches of water, has the design pressure been exceeded?

C) Speculate on the purpose of purging the tank with nitrogen.

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