1. Autos

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Terminology

General Terms

A/C  -   Air Conditioning
AC  -   Alternating Current
A/F  -   Air/Fuel Ratio
ATC  -   After Top Center
ATDC  -   After Top Dead Center
ATF  -   Automatic Transmission Fluid
AWD  -   All-Wheel Drive
BAT  -   Battery
BHP  -   Brake Horsepower
BTC  -   Before Top Center
BTDC  -   Before Top Dead Center
BTU  -   British Thermal Units
C  -   Celsius
CC  -   Cubic Centimeters
CFM  -   Cubic Feet per Minute
CID  -   Cubic Inch Displacement
dB  -   Decibels
DC  -   Direct Current
DOHC  -   Dual Overhead Cams
DVOM  -   Digital Volt Ohm Meter
EMI  -   Electromagnetic Interference
F  -   Fahrenheit
ft.lb.  -   Foot Pound
FWD  -   Front-wheel Drive
gal  -   Gallon
GND  -   Ground
GPM  -   Grams per Mile
Hg  -   Mercury
HP  -   Horsepower
IGN  -   Ignition
ID  -   Inside Diameter
I/P  -   Instrument Panel
kHz  -   Kilohertz
kPa  -   Kilopascals
Km  -   Kilometers
KV  -   Kilovolts
L  -   Liters
lb. ft.  -   Pound Feet
mm  -   Millimeters
ms  -   Millisecond
mV  -   Millivolts
MPG  -   Miles per Gallon
MPH  -   Miles per Hour
Nm  -   Newton Meters
OD  -   Outside Diameter
OE  -   Original Equipment
OEM  -   Original Equipment Manufacture
OHC  -   Overhead Cam
P/B  -   Power Brakes
P/N  -   Part Number
PPM  -   Parts per Million
P/S  -   Power Steering
PSI  -   Pounds per Square Inch
pt.  -   Pint
Qt.  -   Quart
RFI  -   Radio Frequency Interference
RPM  -   Revolutions per Minute
RPO  -   Regular Production Option
RWD  -   Rear-wheel Drive
SOHC  -   Single Overhead Cam
TACH  -   Tachometer
TDC  -   top dead center
V  -   Volts
VAC  -   Volts Alternating Current
VDC  -   Volts Direct Current
VIN  -   Vehicle Identification Number
WOT  -   Wide Open Throttle

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