Disconnection of railroad cars from a locomotive while they are moving and switching them to another track under their own momentum.


Related Terms

PERISTALTIC PUMP

A device for moving fluids by the action of multiple, equally spaced rollers, which rotate and compress a flexible tube.

MOVING-CONDUCTOR LOUDSPEAKER

[ENG ACOUS] A loudspeaker in which the mechanical forces result from reactions between a steady magnetic field and the magnetic field produced by current flow through a moving conductor.

MICROMANIPULATOR

A device for holding and moving fine instruments for the manipulation of microscopic specimens under a microscope.

MEGOHMMETER

An instrument which is used for measuring the high resistance of electrical materials of the order of 20,000 megohms at 1000 volts; one direct-reading type employs a permanent magnet and a moving coil.

MECHANICAL PUMP

A pump through which fluid is conveyed by direct contact with a moving part of the pumping machinery.

LIVE LOAD

A moving load or a load of variable force acting upon a structure, in addition to its own weight.

LINK

1. A standardized part of a surveyor's chain, which is 7.92 inches (20.1168 centimeters) in the Gunter's chain and 1 foot (30.48 centimeters) in the engineer's chain. 2. One of the rings of a chain. 3. A connecting piece in the moving parts of a machine.

LINE SCANNER

An infrared imaging device which utilizes the motion of a moving platform, such as an aircraft or satellite, to scan infrared radiation from the terrain. Also known as thermal mapper.

JACK CHAIN

1. A chain made of light wire, with links arranged in figure-eights with loops at right angles. 2. A toothed endless chain for moving logs.

ION-BEAM SCANNING

The process of analyzing the mass spectrum of an ion beam in a mass spectrometer either by changing the electric or magnetic fields of the mass spectrometer or by moving a probe.

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