Chapter 10

What are the two types of fluids lines commonly found in aircraft
Click the card to flip 👆
1 / 20
Terms in this set (20)
In addition to being securely clamped, what is an additional requirement for installing metal fuel, oil and hydraulic linesThe lines must be electrically bonded to the structureWhat are some of the important advantages of Teflon tubingIt is compatible with nearly every liquid, has a broad operating temperature range, low resistance to fluid flow and has a very long shelf and service life.Describe the identification markings commonly found on flexible hosesA lay line, identification such as a mil spec number, the manufactures name or symbol, the hose size and a date codeHow can you determine if a flexible has been correctly or incorrectly installed?The lay line will be straight if the hose is properly installed, A twisted lay line indicates an incorrect installationHow are flexible hose sizes designatedBy the inside diameter, measured in 1/16th inch increments.What precautions must be observed when deburring the end of a tube after it is cut?The wall thickness must not be reduced in size or fracturedDescribe the operation of quick disconnect couplingsEach half has a valve that is held open when coupled and is spring loaded closed when disconnectedIf you fabricate a replacement for a flexible hose, what percentage of the total length must be added to allow for movement under pressure5 to 8 percentWhat happens to the tube when a flare-less fitting is overtightenedThe tube is weakened when the nut drives the cutting edge of the sleeve too deeply into the tubeWhy are quick disconnect fittings used?To provide a quick means to connect or disconnect a fluid line without loss of fluid or entrance of air into the system