Mechanical Definitions
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Abate : In terms of metalwork to excise or beat down
the surface to create a pattern or figure in low relief. |
Abrasive cone : An abrasive-sintered or shaped into
a solid cone rotated by an arbor for abrasive machining.
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Absolute units : These are the units derived from the
fundamental units of length, mass and time. |
Absorption system : A refrigeration system in which
the refrigerant gas in the evaporator is taken up by an absorber
and then, with the application of heat, released in a generator.
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Accelerator pump : A small cylinder and piston which
is controlled by the throttle of an automotive vehicle which
provides an enriched air fuel mixture during the process of
acceleration.
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Accelerograph : An accelerometer having provisions
for recording the acceleration of a point on the earth during
an earthquake or for recording an other type of acceleration.
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Access road : A route, usually paved, that allows vehicles
to reach a designated facility expeditiously. |
Ackerman steering gear : A standard thread which have
a profile angle of 290 and a flat crest which can
be used on power screws in devices as automobile jacks, presses
and lead screws on lathes. It can be also termed as acme thread.
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Adamantine drill : A core drill with hardened steel shot
pellets that revolve under the rim of the rotating tube, employed
in rotary drilling in very hard ground. |
Adder : Circuitry carrying out arithmetic and logical operations.
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Aeration tank : A fluid contained in a tank to expose
to fresh air its contents by bubbling air or another gas through
the liquid or by spraying the liquid into the air.
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Aerofall mill : A large diameter grinding mill with either
lumps of ore, pebbles, or steel balls as crushing bodies, the
dry load is air swept to remove mesh material. |
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