A fitting that makes an angle between two joints of pipe and that decreases in diameter from one end to the other.


Related Terms

POINT ANGLE

The angle at the point or edge of a cutting tool.

PHASE-SHIFTING TRANSFORMER

A transformer which produces a difference in phase angle between two circuits.

PHASE SHIFT

The phase angle between the input and output signals of a network or system.

PEEL-BACK

The separation of two bonded materials, one or both of which are flexible, by stripping or pulling the flexible material from the mating surface at a 90 or 180 angle to the plane in which it is adhered.

OMNIDIRECTIONAL HYDROPHONE

[ENG ACOUS] A hydrophone whose response is fundamentally independent of the incident sound wave's angle of arrival.

MITER GATE

Either of a pair of canal lock gates that swing out from the side walls and meet at an angle pointing toward the upper level.

MECHANICAL STEPPING MOTOR

A device in which a voltage pulse through a solenoid coil causes reciprocating motion by a solenoid plunger, and this is transformed into rotary motion through a definite angle by ratchet-and-pawl mechanisms or other mechanical linkages.

MAXIMUM GRADABILITY

Steepest slope a vehicle can negotiate in low gear; usually expressed in precentage of slope, namely, the ratio between the vertical rise and the horizontal distance traveled; sometimes expressed by the angle between the slope and the horizontal.

LOW-HELIX DRILL

A two-flute twist drill with a lower helix angle than a conventional drill. Also known as slow-spiral drill.

LOOK ANGLE

The solid angle in which an instrument operates effectively, generally used to describe radars, optical instruments, and space radiation detectors.

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