Term
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Definition
| a roughened area where material has been eroded |
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Term
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Definition
| indentations of a surface caused by high force pressing on material against another |
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Term
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Definition
| a rough or sharp edge of metal |
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Term
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Definition
| wear caused by 2 parts rubbing together |
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Term
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Definition
| small pieces of metal breaking away |
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Term
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Definition
| stretchig or increasing in length |
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Term
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Definition
| surface coating breaking away in the form of flakes |
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Term
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Definition
| surface erosion caused by very slight movement between 2 surfaces |
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Term
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Definition
| a severe form of fretting |
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Term
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Definition
| metal tearing away by a hard object being moved across a softer surface |
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Term
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Definition
| formation of a channel worn into metal |
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Term
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Definition
| chemical combining of a metal with atmospheric oxygen |
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Term
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Definition
| small deep cavities with sharp edges |
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Term
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Definition
| transfer of metal from one surface to another |
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Term
| how long should an engine run without oil pressure |
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Definition
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Term
| how do you check the operation of a controllable pitch propeller |
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Definition
| by checking the indications of the tachometer and manifold pressure |
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Term
| what should you look at when shutting off an aircraft engine |
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Definition
| observe your CHT gage and see if the temp is under 400 degrees |
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Term
| what should you do to your engine when putting it away for the winter |
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Definition
| drain sump, add anti-icing additives to fuel, preheat engine when taking it out |
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Term
| what are 2 types of compression testers |
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Definition
| direct and differential pressure tester |
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Term
| what is the most common compression test |
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Definition
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Term
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Definition
| loss of pressure or compression past the piston rings |
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Term
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Definition
| when the flame from the combustion chamber burns back into the intake maniford |
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Term
| what is the difference between an overhauled engine and a rebuilt on. |
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Definition
| only a manufacturer can do a rebuilt, and they can also zero the tack time |
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Term
| what is a interference fit |
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Definition
| a method used to obtain a more positive seal in valves |
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Term
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Definition
| a method used to clean cylinder barrels |
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