Why is the setting larger for internal pressure, Mechanical Engineering

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Why is the setting larger for internal pressure

Fluid Mechanics for Chemical Engineers.Nevers

2-11Large Hydrocarbon storage tanks normally have a valve on their vents that allows free flow of air in or out when a liquid is being pumped in or out but that prevents air flow for small pressure differences caused by wind, solar heating of the tank, and changes in atmospheric pressure. these reduce the breathing losses of valuable hydrocarbons as well as the amount of atmospheric pollution.

These valves are typically set to open at an internal pressure of 4 inches of water and an external pressure of 2 inches of water.
a) Estimate the force of the roof at the opening pressures for internal pressure and for vacuum. -oil storage tank has a flat, horizontal, circular roof 120 feet in diameter.

b) Why is the setting larger for internal pressure than external pressure?

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Mechanical Engineering: Why is the setting larger for internal pressure

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Recent Questions Asked Mechanical Engineering

Q : Compute the probability of concluding the workers

Q : Determine the ions present on the outer surface

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Q : Determine initial and final pressures each in bar

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Request for Solution File

Ask an Expert for Answer!!

Mechanical Engineering: Why is the setting larger for internal pressure

Reference No:- TGS0731812

Recent Questions Asked Mechanical Engineering

Q : Compute the probability of concluding the workers

Q : Determine the ions present on the outer surface

Q : Calculate the time for the ice to completely melt

Q : Determine initial and final pressures each in bar

Q : Why is the setting larger for internal pressure

Q : Determine the charge resides on the outer surface

Q : Compute change of internal-energy of the water

Q : What is the actual efficiency of the stirrer

Q : Difference between the mean acidity for rainfalls

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