Siemens ET8 Series Especificações descarregar pdf (Página 94)

CONVECTION—The transfer of heat by its

absorption by a fluid at one point followed by

motion of the fluid and rejection of the heat at

another.

COSAIL—Coordinated shipboard allowance list.

CORRECTIVE

MAINTENANCE—Maintenance

specifically intended to eliminate an existing

fault.

CSCP—Computer switching control panel.

CW—Chilled Water.

CW/DW—Chilled water/distilled water.

DATA—A representation of facts, concepts, or

instructions in a formalized manner suitable for

communication, interpretation, or processing by

humans or by automatic means.

DC—Direct current, a current that flows only in one

direction.

DCA—Damage control assistant.

DELTA CONNECTED—A three-phase connection

in which windings are connected end-to-end,

forming a closed-loop that resembles the Greek

letter delta. A separate wire is then connected

to each of the three junctions.

DESICCANT—A drying agent.

DEWPOINT—Temperature at which a condensable

component of a gas starts to condense into

liquid.

DFCS—Digital fire control switchboard.

DIGITAL—Pertaining to data in the form of digits.

DISTILLED WATER—Demineralized or ultrapure

water. Used in a cooling system’s secondary

loop.

DRY AIR—Air in which moisture has been removed.

D/S—Digital to synchro conversion.

DUPLEX—Double or twofold.

DWELL—A timed delay of programmed or

established duration, not cyclic or sequential.

EAT—End-around test.

EDDY CURRENT—Induced circulating currents in

a conducting material caused by a varying

magnetic field.

ELECTRODE—The terminal at which electricity

passes from one medium into another.

ELECTROLYTE—A solution of a substance that is

capable of conducting electricity. An electrolyte

may be in the form of either a liquid or a paste.

ELECTROMAGNETIC INDUCTION—The produc-

tion of a voltage in a coil due to a change in the

number of magnetic lines of force passing

through the coil.

ENTRAINED—A liquid in the form of fine droplets.

ETHYLENE GLYCOL—A

used as an antifreeze.

FLUX FIELD—A general

colorless, viscous liquid,

term used to designate

collectively all the electric or magnetic lines of

force in a region.

GPM—Gallons per minute.

GYROSCOPE—wheel or disc so mounted as to

spin rapidly about one axis and be free to move

about one or both of the two axes mutually

perpendicular to the axis of spin.

HEADING—Horizonal direction in which an object

is moving.

HERMETICALLY SEALED—Completely sealed so

as to keep air or gas from getting in or out.

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Siemens ET8 Series Especificações Página 94

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