Engineering Dictionary

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An alphabetical listing of General terms and items.

Ukeks   Dico Tools
An 11th century flanking tower of a Turkish Baliqs or small fortified town.

UL   Dico Tools
Underwriters Laboratories, Inc. An independent laboratory that establishes standards for commercial and industrial products.

Ultraviolet   Dico Tools
That portion of the electromagnetic spectrum below blue light (380 nanometers).

Unbalance   Dico Tools
That condition which exists in a rotor when vibratory force or motion is imparted to its bearings as a result of centrifugal forces.

Unbalance Tolerance   Dico Tools
The unbalance tolerance with respect to a radial plane (measuring plane or correction plane) is that amount of unbalance which is specified as the maximum below which the state of unbalance is considered acceptable.

Undershoot   Dico Tools
The difference in temperature between the temperature a process goes to, below the set point, after the cooling cycle is turned off and the set point temperature.

Ungrounded Junction   Dico Tools
A form of construction of a thermocouple probe where the hot or measuring junction is fully enclosed by and insulated from the sheath material.

Union   Dico Tools
A form of pipe fitting where two extension pipes are joined at a separable coupling.

Unstable   Dico Tools
Characteristic of a structure that collapses or deforms under a realistic load

Upstream Face   Dico Tools
The side of a dam that is against the water

Usume Mon   Dico Tools
A gateway which was used to defend the gate of a Japanese castle, the gateway was a simple opening made in the ishigaki and defended in much the same way as other such gateways. (J. embedded gate).

Utum   Dico Tools
An Arabian tower or refuge at an oasis. (Arabic)

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