Lines and fittings in a fluid system are primarily used to do what?

• A. Transfer fluids between receiver and other components
• B. Change the fluid color
• C. Measure temperature
• D. Support electrical components

Answer: (A)

Lines and fittings form the pathway that carries fluid through a system. They connect the receiver to pumps, valves, actuators, and other components, enabling fluid to move where it’s needed. Their main job is to transfer the fluid safely and efficiently, maintaining a leak-tight, pressure-rated route. They aren’t meant to change the fluid’s color, measure temperature, or support electrical components—those tasks are handled by other parts of the system.