TP-5592 7/96 Abbreviations B-1
Appendix B. Glossary of Abbreviations
Abbreviations are used throughout this manual. Normally they will appear in the text in complete form with the
abbreviation following in parentheses the first time they are used. After that they will appear in the abbreviated form.
The commonly used abbreviations are shown below. Some items may not apply to this application.
Abbreviation Description
ABDC after bottom dead center
ABS American Bureau of Shipping
ABYC American Boat and Yacht Council
AC alternating current
AHWT anticipatory high water temp.
ALOP anticipatory low oil pressure
AM amplitude modulation
Amp ampere
Amps amperes
ANSI American National Standard Insti-
tute
API American Petroleum Institute
approx. approximate, approximately
A/R as required, as requested
A/S as supplied, as stated, as sug-
gested
ASA American Standards Association
assy. assembly
ASTM American Society for Testing Mate-
rials
ATDC after top dead center
ATS automatic transfer switch
aux. auxiliary
AWG American Wire Gauge
AWM appliance wiring material
bhp brake horsepower
bmep brake mean effective power
Btu British thermal unit
°C Celsius degree
cc cubic centimeter
CCA cold cranking Amps.
CEC Canadian Electrical Code
cfh cubic feet per hour
cfm cubic feet per minute
CID cubic inch displacement
cm centimeter, centimeters
cmm cubic meters per minute
co. company
cont’d. continued
C.S.A. Canadian Standards Association
cu. in. cubic inch, cubic inches
CW clockwise
Abbreviation Description
cyl. cylinder
dB decibels
dBA decibels (A weighted)
DC direct current
DCR direct current resistance
deg. degree
dept. department
dia. diameter
e.g. example given
EMI electromagnetic interference
EPA Environmental Protection Agency
etc. etcetera, (and so forth)
ext. external
°F Fahrenheit degree
fl. oz. fluid ounce, fluid ounces
FM frequency modulation
fs full scale
ft. foot, feet
ft. lbs. foot pound, foot pounds
ga. gauge
gal., gals. gallon, gallons
gal./hr. gallons per hour
gph gallons per hour
gpm gallons per minute
gr. grade
grd. ground
HCHT high cylinder head temperature
HET high exhaust temperature
Hg mercury (element)
H
2
O water
hp horsepower
hr, hrs hour
HWT high water temperature
Hz hertz (cycles per second)
ID inside diameter
in. inch(es)
inc. incorporated
in. lbs. inch pounds
int. internal
int.-ext. internal-external
ISO International Standards Organiza-
tion
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