A process vessel is equipped with a 2-in rupture disc set at 100 psig and designed for 10% overpressure. A nitrogen line must be added to the vessel to provide the capability of purging and/or...

A process vessel is equipped with a 2-in rupture disc set at 100 psig and designed for 10% overpressure. A nitrogen line must be added to the vessel to provide the capability of purging and/or pressure discharging liquids. What size line would you select if the nitrogen is available from a 500-psig source? The temperature is 80°F.