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Fundamentals DDT 5
Fundamentals of Drafting Glossary Test 5
Question | Answer |
---|---|
A SPLIT PIN USED AS A FASTENER, USUALLY TO PREVENT A NUT FROM UNSCREWING. | COTTER PIN |
TO ENLARGE AN END OF A HOLE CONICALLY, WITH A SPECIAL TOOL HAVING THE SAME NAME. | COUNTERSINK |
A RAISED CONTOUR, AS ON THE SURFACE OF A PULLEY. | CROWN |
TO SURFACE-HARDEN STEEL BY HEATING IN CONTACT WITH A CYANIDE SALT, FOLLOWED BY QUENCHING. | CYANIDE |
DISTANCE FROM THE PITCH CIRCLE TO THE BOTTOM OF THE TOOTH SPACE. | DEDENDUM |
DRAWING OF THE SURFACE OF AN OBJECT UNFOLDED OR ROLLED OUT ON A PLANE. | DEVELOPMENT |
NUMBER OF GEAR TEETH PER INCH OF PITCH DIAMETER. | DIAMETRAL PITCH |
HARDENED METAL PIECE SHAPED TO CUT OR FORM A REQUIRED SHAPE IN A SHEET OF METAL BY PRESSING IT AGAINST A MATING ____ ; (2) ALSO USED FOR CUTTING SMALL MALE THREADS. IN A SENSE, A ____ IS THE OPPOSITE OF A TAP. | DIE |
PROCESS OF FORCING MOLTEN METAL UNDER PRESSURE INTO METAL DIES OR MOLDS, PRO-DUCING A VERY ACCURATE AND SMOOTH CASTING. | DIE CASTING |
TO ENLARGE AN END OF A HOLE CYLINDRICALLY WITH A TOOL OF THE SAME NAME. | COUNTERBORE |