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Fundamentals Draft 1
Fundamentals of Drafting Glossary Test 1 (2011)
Question | Answer |
---|---|
Screw thread form. | acme |
Radial distance from pitch circle to top of gear tooth. | addendum |
Minimum clearance between mating parts. | allowance |
Two or more metals in combination, usually a fine metal with a baser metal. | alloy |
A lightweight but relatively strong metal. Often alloyed with copper to increase hardness and strength. | alluminum |
To heat and cool gradually, to reduce brittleness and increase ductility. | anneal |
To weld by electric arc. The work is usually the positive terminal. | arc weld |
A soft alloy for bearings, mostly of tin with small amounts of copper and antimony. | babbitt |
A supporting member for a rotating shaft. | bearing |
Special set screw or cap screw with hexagon socket in head. | allen wrench |