Water dangerous expansion

Using the dangerous water expansion example, compute the approximate pressures that were developed in the bottom of this column. Assume a column diameter of 2 ft, a water slug of 1 gal, and a column pressure of 10 psia. 

When water comes into contact with hot water, the water undergoes a very sudden expansion causing a foaming affect. This foaming effect is dangerous to the personnel and could cause fire and explosion. For this reason, care must always be taken when handling bitumen emulsion followed by bitumen. 

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