COMPRESSOR INLET TEMPERATURE
CENTIGRADE (CELSIUS) SCALE--A
(CIT or T2)--The temperature of the air entering
thermometric scale on which the interval between
the gas turbine compressor (GTM) as measured
the freezing point (0°C) and the boiling
at the front frame; one of the parameters used
point (100°C) of water is divided into 100
for calculating engine power output (torque) and
equal parts or degrees, so that 0°C = 32°F and
100°C = 212°F.
stator vane angle.
CENTRAL CONTROL STATION (CCS)--
The main operating station from which a majority
COMPRESSOR INLET TOTAL PRES-
of the engineering plant machinery can be
SURE (Pt 2)--The pressure sensed by a total
controlled and monitored.
CENTRIFUGAL FORCE--That force that
tends to drive a thing or parts of a thing outward
CONDENSATE-- The product of conden-
from a center of rotation.
sation (the process of reducing from one
form to another and denser form, as steam to
CIRCUIT BREAKER (CB)--A device used
to energize/de-energize an electrical circuit and
for interrupting the circuit when the current
CONDITION--The state of being of a device,
such as ON-OFF, GO/NO-GO, and so forth.
CLASSIFICATION AND/OR TYPE--A
method of identifying and sorting various equip-
ment and materials. For example: (1) check
valve--swing, stop; (2) valve--solenoid, manual.
CLUTCH/BRAKE ASSEMBLY--A clutch/
CONTROL AIR SYSTEM (COAS) ASSEM-
brake assembly for each GTE is mounted on the
BLY--The equipment that controls the com-
MRG housing to couple or decouple either or both
pressed air used to operate the main clutch/brake
engines to the drive train, to stop and hold the
assemblies. One control air system unit is mounted
power turbine, and for shaft braking.
on each side of each MRG. This system is not used
on the SSS clutch system.
COALESCE-- To grow together, unite, or
fuse, as uniting small liquid particles into large
CONTROL MODE--The method of system
droplets. This principle is used to remove water
control at a given time.
from fuel in the filter/separator.
CONTROL POWER--The power used to
COHESION-- The force that causes molecules
control or operate a component.
that are brought close together to stick together.
CONTROL SIGNAL--The signal applied to
for comparing anything to be measured with a
a device that makes corrective changes in a
standard instrument. Specifically, a self-contained
portable pneumatic comparison-type pressure
CONTROLLABLE REVERSIBLE PITCH
COMPONENT PARTS--(1) The integral
pitch can be varied to control the amount of thrust
part of a component. (2) Individual units of a
in both the ahead and astern directions. (Known
as controllable pitch propeller (CPP) on FFG-7
COMPRESSOR DISCHARGE PRESSURE
(CDP)--Compressor discharge pressure is sensed
CONVERTER--A device for changing one
type of signal to another (for example, alternating
static pressure sensing line to the MFC and piped
current to direct current).
to a base-mounted transducer on the GTM.