TM 1-2840-252-23-3
GLOSSARY (Continued)
Definition
T
Tear................................ ........................... A forcible, somewhat crude pulling or wrenching away of
material so that ragged or irregular edges result.
Testing ................................ ...................... Testing of equipment to determine that the unit functions
properly within specified limits.
Tight-Lipped ................................ .............. Type of crack in which edges have separated enough to
allow visibility of inner edges. Usually, in vanes, core will be
visible.
Tolerance ................................ .................. The range of variation allowed in maintaining a specified
dimension in making part.
Torque................................ ....................... To tighten a nut, bolt, or fitting, using a torque wrench, to a
specified torque value expressed as inch-pounds or as
foot-pounds.
U
Undershooting ................................ ........... When the expected N1 or N2 speed is not reached and
then creeps up to the expected level.
Underspeed................................ ............... When the expected N1 or N2 speed is not reached.
Upset................................ ......................... A part of a rod (as a head on a bolt) that is upset.
V
Void ................................ .......................... A continuous lack of braze material through a braze joint
cross-section caused by improper repair.
W
Wear ................................ ........................ Relatively slow removal of parent material from any cause,
frequently not visible to the naked eye.
Glossary-5/(Glossary-6)
