HERTZInternational unit of frequency, equal to
one cycle per second.
IMPINGEMENTTo have an effect on the
property or rights of another.
IN-PHASEThis term is applied to the condition
that exists when two of the same frequency pass
through their maximum and minimum values of
like polarity at the same instant.
IOCInput Output Controller.
JOULEA unit of energy or work. A joule of
energy is liberated by 1 ampere flowing for 1
second through a resistance of 1 ohm.
JRJunction Rotary switch.
KILOWATTA unit of electrical power, equal to
NAVSTARNaval Global Positioning System
NAVSEANaval Sea Systems Command.
OPEN-LOOPEDOne-pass, a seawater system in
which the seawater flows through the system
PITCHDegree of slope or inclination.
POLY-PHASEHaving, generating or used in
generating currents consisting of three or a
multiple of three phases.
PMSPlanned Maintenance System.
PSIGPounds-per-square inch gage.
LINEARStraight line relationship where changes
in one function are directly proportional to
changes in another function.
LINES OF FORCEA line in an electric or
magnetic field that shows the direction of the
MAKEUP WATERDistilled water that is added
to the expansion tank when level becomes too
MICRONA unit of length equal to 104 meter.
Also called a micrometer.
MRCMaintenance Requirement Card.
RADAR-Radar Detection and Ranging.
ROLLTo move gently around and around or from
side to side.
SEAWATERWater that is drawn from the sea by
SERVOA device used to convert a small
movement into one of greater movement or
SINGLE-PHASEHaving, generating, or using a
single alternating current, either in phase or
180° out of phase.