Final answer:
The standard gauge pressure for nitrogen gas service varies by system type and application. There is no single value as pressures can range widely depending on usage and factors such as temperature and the amount of gas.
Step-by-step explanation:
The standard gauge pressure for nitrogen gas service is not provided as a single, static value because it varies based on the specific application and system type. In industrial and medical scenarios, the pressure requirements for nitrogen can range widely, due to the different tools, equipment, and processes being used. For instance, high-pressure cylinders can have a pressure in the range of 2,000 psi (approximately 13,800 kPa or 138 bar), but this can vary significantly. In contrast, the pressure in a nitrogen gas pipeline for process usage may be set considerably lower. The gauge pressure in any system also depends on several factors like temperature, volume of the system, and the amount of gas present.
To calculate the pressure changes in gas, the Ideal Gas Law is often used, though this question does not specifically relate to the Ideal Gas Law calculations provided in the reference material. For instance, if someone wanted to determine how the gauge pressure of air within a car tire changes with temperature, we can use the Ideal Gas Law, pV = nRT, where p is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the absolute temperature.