Term
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Definition
| copper tubing may be ____ to restore it to a soft condition. |
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Term
alluminum 11000-h14
5052 alluminum O
corrosion resistant steel, either annealed or 1/4 hard |
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Definition
indicate the material that isd likely to be used for rigid lines carring each of the following types of fluids
low pressure vent air
medium pressure hydraulic fluid
high pressure oxygen |
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Term
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Definition
| the size of rigid tubuing is determined by it (inside or outside) diameter. |
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Term
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Definition
indicate the outside diameter of eacg dash numbers of rigid tubing
4
6
12 |
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Term
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Definition
| to find the inside diameter of rigid tubing, twice the wall thickness must be subtracted for the (outside or inside) diameter. |
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Term
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Definition
| although the use of flareless fittings eliminates flaring the tube, anothr operation, refereed as _____ is necessary prior to installation of new flare less fittings |
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Term
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Definition
| should be turned ______ turn after the ferrule is tight against the presetting tube |
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Term
indentation
50%
back and forth |
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Definition
3 characteristics of a properly preset ferrule on a piece of tubing:
a uniform ____ around the end of the tube.
the material of the tube should be raised up to at least ____ of the thickness of the ferrule
the ferrule should not be able to move (around or back and forth) on the tube |
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Term
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Definition
| rigid tubing (is or is not) limited to uses in areas where a long straight run is possible. |
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Term
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Definition
automotive fittings are ____ degrees
aviation fittings are _____ degrees |
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Term
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Definition
| soft aluminum tubing having an outside diameter of ____ inches or smaller may by double flared |
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Term
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Definition
| tapered pipe threads seal by a _____ action between the external male threads and the internal female threads |
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Term
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Definition
| the AC fitting looks a great deal like AN and MS fittings except that the threads of the (AN or AC) go all the way up the flare cone. |
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Term
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Definition
color dye for each:
alluminum alloy fittings of AN and MS design:
steel fittings of AN and MS design:
AC fitting: |
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Term
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Definition
| MS flare-less fittings are designed primarily for (high or low) pressure hydraulic system |
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Term
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Definition
| aluminum allot tubing with scratches or nicks that are no deeper than ____ percent of the wall thickness may be repaired |
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Term
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Definition
| a det of less than ____ percent of the diameter of the tube is permitted, if it is not in the heel opf the bend |
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Term
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Definition
| all runs of rigid tubing must have at east ____ bend between the fittings to absorb strain. |
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Term
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Definition
| a 12 rigid fuel line should be supported at least every ____ inches |
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Term
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Definition
| a hose clamp should be tightned from ___ to ____ turns with a wrench or pair of pliers after it is tightened by hand. |
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Term
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Definition
| the condition indicated by deep,permanent impressions in hose caused by over tightening hose clamps is know as ____ ____ |
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Term
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Definition
| what type of flexible hose liner is compatible with phosphate ester base hydraulic fluid ____ |
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Term
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Definition
| what type of flexible hose line is compatible with nearly evry liquid used _____ |
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Term
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Definition
| the size of a flexible line is determined by it (inside or outside) diameter. |
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Term
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Definition
| a medium pressure flexible hose has a (rough or smooth) outer cover. |
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Term
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Definition
| a high-pressure flexible hose has a (rough or smooth) outer cover. |
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Term
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Definition
colors
minerals base hydraulic fluid
phosphate base hydraulic fluid |
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Term
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Definition
| medium pressure reusable fittings are made up of 3 pieces |
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Term
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Definition
| a ____ may be screwed into the nut of a low pressure hose fitting to hold the nipple during the assemble. |
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Term
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Definition
| flexible fluid lines must have between ___ and ___ percent slack between the fittings |
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Term
red
yellow
blue yellow
green
maroon |
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Definition
color code for rluid lines
fuel
lubrication
hydraulic fluid
breathing oxygen
fire extinguishing agent |
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Term
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Definition
| line that are used to carry fluids that may be physically dangerous (such as oxygen, nitrogen or freon) may be marked ______ |
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Term
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Definition
| the stripes running along the length of a flexible hose, usually containing information needed to identify the hiose, is call the ____ line |
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Term
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Definition
| the lay line serves not only to identification but to indicate whether or not the line was _____ when installed. |
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