How is the specific gravity of propane typically represented?

The specific gravity of propane is typically represented as a value of about 0.58. This value is essential for understanding its behavior compared to air and other gases. Specific gravity is a dimensionless number that represents the density of a substance compared to the density of water; thus, a specific gravity of less than 1 indicates that the substance is lighter than water.

Given this information, the correct representation of propane would be around 0.58, which is closer to 0.8 than to any of the higher values like 1.0, 1.5, or 1.8. Knowing that propane is lighter than air, which has a specific gravity of 1.0, helps in safety assessments and operational protocols when working with propane systems. It’s crucial for technicians to be aware of these specific properties, as they impact the handling, storage, and usage of propane in various applications.