Jeppesen Oral- Chapter 9 (Hand Tools & Measuring Devices) Flashcards Preview

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Flashcards in Jeppesen Oral- Chapter 9 (Hand Tools & Measuring Devices) Deck (12)
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Outside micrometers and vernier calipers


If dropped, accuracy will be affected- Sliding objects(tools) will suffer wear on sliding surfaces


A rivet made of 2017 or 2024 aluminum alloy. These rivets are heat-treated and quenched, then stored in a sub-freezing ice box until they are ready to be used. The cold storage delays the hardening of the rivet.


A self-locking nut should not be used for any application where there are any rotational forces applies to the nut or to the bolt.


The grip length of the bolt should be the same as the combined thicknesses of the materials being held by the bolt.


The nut on a clevis bolt should not be tight enough to prevent the clevis bolt turning in the cable fitting and the horn.


The thickness of the material being welded. The size of the tip orifice determines the amount of flame produced and thus the amount of heat that is put into the metal.


It should be removed by scrubbing it with hot water and a bristle brush.


All traces of the old weld must be removed so the new weld will penetrate the base metal.


a dial indicator


The outside diameter of the shaft is measured with a micrometer caliper. The inside of the bushing is measured with a telescoping gauge and the same micrometer caliper.


If dropped, its accuracy may be affected, OR if the spindle is over-tightened, the frame may be sprung, OR continually sliding objects between the anvil and the spindle may wear the surfaces.