What defines a fuel tank as "portable" according to Coast Guard standards?

• A. A tank that can be carried by one person
• B. A tank that can be removed and replaced by boat occupants
• C. A tank that is less than 10 gallons
• D. A tank that is designed for temporary use

Answer: (B)

A fuel tank is defined as "portable" according to Coast Guard standards if it can be removed and replaced by boat occupants. This definition emphasizes the practical usability of the tank in a boating context, allowing for flexibility and convenience when it comes to fuel management.

Portability in this sense not only includes the ability to physically move the tank but also the practical aspects of installation and removal by individuals on the boat. This feature is particularly important in recreational boating, where ease of replacing or switching tanks contributes to overall safety and operational efficiency.

Factors such as capacity or weight do not solely determine whether a tank is considered portable; rather, it's the functionality and ability for users to manage the tank without requiring special tools or extensive effort. Thus, while a tank that can be carried by one person or is less than 10 gallons may share some commonalities with portable tanks, they do not capture the full intent of portability as per the Coast Guard's definitions. Similarly, a tank designed for temporary use might not inherently imply that it is easily removable or replaceable by occupants.