FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

Question: 1 / 1030

What do quick disconnect couplings in hydraulic systems provide?

An increase in fluid pressure

A decrease in fluid pressure

A means of quickly connecting and disconnecting lines without loss of fluid or entrance of air

Quick disconnect couplings in hydraulic systems do not provide an increase in fluid pressure as they are not designed for this purpose. They also do not provide a decrease in fluid pressure, as that is typically controlled by valves in a hydraulic system.

Instead, the main function of quick disconnect couplings is to allow for a quick and easy connection and disconnection of hydraulic lines without the loss of fluid or the entrance of air. This allows for more efficient maintenance and repairs of the system.

They also do not create a permanent connection of hydraulic lines, as the name suggests, they are designed to be easily disconnected when needed for maintenance or repairs.

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A permanent connection of hydraulic lines

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