Glossary of engineering and technical terms meaning and definition
Glossary of engineering and technical terms meaning and definition
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Glossary of engineering and technical terms meaning and definition
abrasion
abrasion resistance
abrasive erosion
absolute humidity
absolute pressure
absolute pressure
absolute temperature scale
absolute zero
absolute zero temperature
absorbent
absorber
absorption
absorption refrigeration system
absorption refrigerator
absorption system
absorption tower
acceleration
acceleration due to gravity
acceleration period
accelration
acceptable weld
accessible hermetic
accumulator
acetone
acid
acid attack
acid cleaning
acid condition in system
acid embrittlement
acid gas
acid rain
acid soak
acidic
acidified
acidity
acoustic
across the line
action
activated alumina
activated carbon
activated sludge
active storage pile
actuator
adiabatic
adiabatic change
adiabatic compression
adiabatic cooling
adiabatic efficiency
adiabatic expansion
adiabatic process
adiabatic saturation process
adjustable differential
adjustable resistor
adsorbent
adsorption
adsorption inhibitors
advection
aeration
aeration cell
aerobic
aerodynamic noise
agglomerate
agitator
air
air blast transformer
air capacitor
air changes
air cleaner
air coil
air conditioner
air conditioner, unitary
air conditioning
air conditioning unit
air conditioning, comfort
air cooler
air diffuser
air diffusion aerators
air duct
air flotation
air gap
air handler
air infiltration
air purge
air saturated
air sensing thermostat
air standard
air vent
air washer
air, ambient
air, dry
air, outdoor
air, recirculated
air, reheating
air, return
airborne sound
air cooled condenser
air sensing thermostat
alcohol brine
algae
alive
alkali
alkaline
alkaline boi
alkalinity
allen type screw
alloy
alloy steel
alternating current (ac)
alternator
altimeter
alum
alumina
ambient air temperature
ambient conditions
ambient noise
american standard pipe thread
american wire gauge (awg)
amine
ammeter
ammeter shunt
ammonia
amorphous
ampacity
amperage
ampere
ampere hour
ampere turns
amplification
amplitude
anaerobic
analysis
anemometer
angle of lag or lead
angle valve
angstrom units
anhydrous calcium sulfate
anion
anion interchange
anneal
annealing
anode
anodizing
ansi
ansi b.31.1
ansi b.31.5
anti knock value
anticipating control
anticipators
anti corrosive additive
anti foam additive (foam inhibitor)
antifoam agents
antifoulants
antifreeze
antioxidant
anti oxidant
anti scuffing lubricant
anti seizure property
anti wear additive
api
api gravity (api degree)
apparent (emf)
apparent watts
aqueous
aquifer
arc
arc brazing
arc furnace
arc welding
arc welding
archimides principal
armature
armature air gap
armature back ampere turns
armature bar
armature circuit
armature coil
armature core
armature current
armature demagnetization
armature reaction
armature regulating resistors
armature resistance
armature slot
armature tester
armature varnish
armature winding
aromatics
artificial magnet
ashrae
asme
asme appendix section i
asme boiler code
asme part peb section i
asme part pfh section i
asme part pft section i
asme part pg section i
asme part pmb section i
asme part pvg section i
asme part pw section i
asme part pwt section i
asme section i
asme section ii
asme section iii
asme section iv
asme section vi
asme section vii
asme section vii appendix
asme section vii subsection c1
asme section vii subsection c2
asme section vii subsection c3
asme section vii subsection c4
asme section vii subsection c5
asme section vii subsection c6
asme section vii subsection c7
asme section viii
asme section x
asme section xi
aspect ratio
aspirating psychrometer
aspiration
astm
asynchronous
asynchronous generator
asynchronous motor
atmosphere
atmospheric electricity
atmospheric pressure
atom
atomic number
atomic weight
atomize
attemperating water impurity
attemperator
attenuation
attrition
automatic
automatic control
automatic controller
automatic defrost
automatic expansion valve (aev)
automatic extraction unit turbine
automatic frost control
automatic governing system
automatic ice cube maker
automatic reset (integration)
automation
autotransformer
auxiliary contacts
avagadro's hypothesis
avagadro's number (n)
averaging element
axial expansion
axial flow compressor
azeotrope
azeotropic mixture
back pressure
back pressure turbine
back seating
back work ratio
background noise
backing ring
backwash
bacteria
baffle
baghouse
ballast gas
barometer
base
base metal
base metal
basicity
batch operation
baudelot cooler
bearing, air
bearing, aligning
bearing, annular
bearing, ant
bearing, babbit
bearing, ball
bearing, big end
bearing, bimetal
bearing, bottom end
bearing, bush
bearing, circular step
bearing, fixed pad
bearing, floating
bearing, floating ring
bearing, fluid
bearing, full journal
bearing, gas
bearing, half journal
bearing, journal
bearing, kingsburry trust
bearing, magnetic
bearing, main
bearing, mitchell
bearing, needle
bearing, noncontact
bearing, pedestal
bearing, pivot
bearing, porous
bearing, roller
bearing, rubbing
bearing, sel
bearing, sel
bearing, sleeve
bearing, slide
bearing, step
bearing, thrust
bearing, tilting pad
bearing, trunnion
bed
bed depth
bed expansion
bellows
bellows seal
bending moment
bernoulli's theorem
bicacarbonate alkalinity
bicarbonate
bimetal strip
bimetallic couple
biocide
black liquor
blast freezer
blast furnace gas
bleeder valve
bleeding
bleedoff
bleedoff rate
blowdown
boiler
boiler feed water
boiler horsepower
boiler la
boiling out
boiling point
boiling temperature
bore
bourdon tube
boyles' law
branch circuit
brass
brayton cycle (also referred to as the joule cycle)
braze
brazing, block
breakthrough
brine
british thermal unit, (btu)
brittleness
bronze
btu
buffer
bulb
bulge
bus bar
bypass
bypass
bypass feeder
calcareous coating or deposit
calcium
calcium chloride
calcium sulfate
calibration
calorie
calorimeter
cange of state
capacitance
capacitor, (condenser)
capacity
capillary
capillary tube
carbon dioxide
carbon filter
carbon tetrachloride
carbonaceous exchanger
carbonate
carbonate hardness
carbonat
carboxylic
carryover
cascade
cascade systems
cathode
cathodic protection
cathodic protection
cation
cationic
caustic cracking
caustic embrittlement
caustic soda
cavitation
cavitation erosion
celsius temperature scale
centane number
centrifugal compressor
centrifugal force
centrifugal pump
centrifugal pump
change of state
channeling
charge
charging board
check valve
chelate
chemical cleaning
chemical feedline
chemical precipitation
chemical refrigeration
chemical stability
chill factor
chille
chiller/heaters
chloride
chlorination
choke tube
chordal thermocouple
circuit
circuit breaker
clay
clearance space
clearance vapor
closed cycle
closed feedwater heater
closed re circulating water system
coagulation
coalescence
cocoagulant
code installation
co efficient of conductivity
coefficient of expansion
coefficient of friction
coefficient of performance (cop)
cogeneration
co generation generation
cold
cold deck
cold junction
cold process
cold wall
colloidal
colloids
column operation
combined feeder cutoff
combined stea
combined treatment
combustion
comfort chart
comfort cooler
comfort cooling
comfort zone
common neutral
composition
compound
compound gauge
compound refrigerating systems
compression
compression ratio
compression, adiabatic
compressor
compressor
compressor displacement
compressor seal
compressor surging
compressor turbine
compressor, clearance pocket
compressor, rotary blade
compressor, singl
comressibility
condensate
condensate polisher
condensate pump
condensation
condense
condenser
condenser tube
condenser water system
condensing temperature
condensing unit
condensing unit service valves
condensing unit, refrigerant
conductance, electrical
conductance, surface film
conduction
conductivity (electrical)
conductivity (thermal)
conductivity meter
conductivity, thermal
conductor
conduit
congealer
congruent phosphate control
connected load
constrictor
contamination
control
control point
control valve
controlled device
controller
convection
convection, forced
convection, natural
cooler
cooling effect, sensible
cooling effect, total
cooling tower
cooling, evaporative
cooling, regenerative
coordinated phosphate control
corrator
corrosion
corrosion, anode
corrosion, atmospheric
corrosion, biological
corrosion, cathodic
corrosion, cavitation
corrosion, concentration attack
corrosion, concentratio
corrosion, coupons
corrosion, crevice
corrosion, deactivasion
corrosion, deposit (also called poultice corrosion)
corrosion, effect
corrosion, electrochemical
corrosion, embrittlement
corrosion, external
corrosion, fatigue
corrosion, filiform
corrosion, fretting
corrosion, galvanic
corrosion, gaseous
corrosion, general
corrosion, graphitic
corrosion, hot
corrosion, impingement
corrosion, influenced
corrosion, inhibitors
corrosion, intergranular
corrosion, internal
corrosion, localized
corrosion, localized
corrosion, oxygen deficiency
corrosion, poultice
corrosion, protection
corrosion, resistance
corrosion, stray current
corrosion, stress
corrosion, stress corrosion cracking
corrosion, sweet
corrosion, therm
corrosion, uniform
corrosive wear
corrosivity
counter flow heat exchanger
covalent bond
crankshaft seal
craze cracking (or checking)
creep
creep strength
creep, dynamic
crisper
critical humidity
critical point
critical pressure
critical temperature
critical velocity
crt
cryogenic fluid
cryogenic superconductor system
cryogenics
crystallites
crystallization
current (i)
current density
cycle
cycle, reversible
cycle, water treatment
cycles
cycles of concentration
cylinder head
dalton's law of partial pressure
damper
dashpot
deadband
de aerating heaters
de aeration
de aerator
de alkalization
de alkalizer
de alloying
deashing
de carbonation
decibel (db)
deconcentrator
de flocculant
defrost cycle
defrost timer
defrosting
defrosting control
defrosting type evaporator
degree day
degrees of superheat
dehumidification
dehumidifier
dehumidifying
dehydration
deionization
de ionizer
demand
demand charge
demand control
demand interval
demand load
demand reading
demineralizer
density
density, absolute
desalination
desicant, liquid
desiccant
design pressure
design pressure
design working pressure
desilicizer
dessert bag
dessert bag
detergent additive
detergent cleaning
detergent oil
detergen
dew point
dew point depression
dew point temperature
diaphragm
diatomaceous earth filtration
dielectric
dielectric fitting
dielectric strength
differential
differential aeration cell
differential solute concentration
diffuser
direct acting
direct current
direc
dispersant
dispersant oil
displacement pump
displacement volume
dissolved gases
dissolved solids (tds)
distillation
dma
domestic hot water
downflow
downstream
draft gauge
drier
drierite
drift
drift term
droop
drum water level line
dry bulb
dry bulb temperature
dry compression
dry ice
dry pipe
dry standby
dry system
dryness fraction or quality
dual shaft gas turbine
dual temperature re circulating water system
ductile gouging
ductility
dust
dynamic discahrge head
dynamic load
dynamic pumps
dynamic suction head
dynamic suction lift
dynamic system
economizer
eddy current testing
edta
effective temperature
effective temperature
effluent
electric defrosting
electrical circuit
electrochemical reactions
electrode boiler
electrodialysis
electrolysis
electrolyte
electromechanical
electroregeneration
element
elevation head
elution
emulsion
endothermic reaction
energy
energy term
energy work
energy (consumption) charge
engine
engine oil
enthalpy
entrainment
entrainment (hvac)
entropy
environment
epson salt
equalizing hole (steam turbine)
equilibrium reactions
equivalent weight
erosion , abrasive
erosion, cavitation
erosion, impingement
erosion, liquid
erosio
ethane r 170
eutectic
eutectic point
evacuation
evaporation
evaporative condenser
evaporative condenser
evaporative cooling
evaporator
evaporator fan
evaporator pressure regulator
evaporator, flooded
exflltration
exfoliation
exhaustion
exothermic
expansion joint
expansion tank
expansion valve
expansion valve, capillary tube
expansion valve, thermostatic
expendable refrigerant system
external drive
external equalizer
external treatment
face area
fahrenheit
fail safe
failure
false brineling
fan performance curve
fan tube axial
fan, centrifual
fan, propeller
fan, vaneaxial
farad
fatigue
fault
feed water
feed water line
feedwater heater
ferric coagulant
ferric hydroxide
ferric ion
ferrous
ferrous hydroxide
ferrous ion
filming amines
filter
filte
filtration
fin
fire point
fire tube
fire wall
firebrick
fixed displacement pump
flash
flash chamber
flash gas
flash point
flash tank
flashing
floating action controllers
flocculant
flocculation
floodback
flotation
flow rate
flow, laminar or streamline
flow, turbulent
fluid
fluid head
fluidized bed
fly ash
foam carryover
foaming
force
force pump
forced convection
forced draft cooling tower
forc
fouling
fouling factor
freeboard
freezer
freezer burn
freez
freezing
freezing point
freon
fresh water
friction
friction head
frigorific mixture
frost
frost back
frost control
frost free refrigerator
frosting type evaporator
frquency
fuel knock
full load current
fumes
fungus
fusible plug
gage pressure
galvanic action
galvanic cell
galvanic couple
galvanizing
gas
gas
gas constant
gas lubrication
gas refrigeration cycle
gas turbine
gas turbine compressor
gas valve
gas, inert
gasification
gasket
gauge manifold
gauge vacuum
general corrosion
generating tube
generator
gfi, gfci
governor speed droop
grain
grain boundaries
grains of moisture
grains per gallon
gram
gram milliquivalents
gravity
gravity, specific
grease
grease, block
grease, soda based
green liquor
greensand
grooving
ground
ground bed
ground bus
ground coil
ground conductor
ground fault
grout
hac
halide leak detector
halide refrigerants
halide torch
halogens
hard water
hardness
hardness
hardness control
hardness of calcium carbonate
head pressure
head
head dynamic or total
head pressure
head pressure control
head static
head velocity
header
headloss
heat
heat capacity
heat conductor
heat engine
heat exchanger
heat lag
heat leakage
heat of compression
heat of condensation
heat of fusion
heat of respiration
heat of vaporization
heat pipe
heat pump
heat pump
heat sink
heat transfer
heat transfer
heat, sensible
heat, specifi
heat, total (enthalpy)
heat exchanger materials
heat transfer medium
humidity
humidity ratio
humidity, absolute
humidity, percentage
humidity, relative
hunting
hvac
hvac boiler
hvac equipment
hydration
hydraulic clasification
hydraulic coupling
hydraulic head
hydrocarbons
hydrogen cooled generator
hydrogen cycle
hydrogen damage
hydrogen induced cracking
hydrogen ion
hydroge
hydrologic cycle
hydrolysis
hydrometer
hydronic system
hydrophilic
hydrostatic presure
hydroxyl
hygrometer
hygroscopic
ice cream cabinet
ignition quality
immiscible
impedance (z)
impeller
impingement
inductance
induction
induction heating
inductive loads
inductor
inert gas
infiltration
influent
inhibitor
inorganic material
inrush current
instantaneous rate
insulation, thermal
insulator
intercooled cycle
intercooling
intergranular cracking
intermittent blowdown
interstage differential
ion
ion exchange
ion exchange resin
ionic strength
ionization
iron
iron bacteria
isentropic process
isobaric or isopiestic process
isochoric process or isometri
isometric process
isothermal
isothermal expansion and contraction
jacking oil pump
jet compressor
joule
joule unit
joule thomson effect
journal
kata thermometer
kelvin scale (k)
kerosine
kilo calorie
kilo calorie
kilograin
kilovolt ampere
kilowatt
kilowat
kinetic energy
king valve
kirchoff’s second law
knock
kraft process
kw demand
kwh consumption
lag
laminar flow
langelier saturation index
latent heat
latent heat
latent heat of condensation
latent heat of fusion
latent heat of vaporization
law of partial pressure, dalton’s
leading edge
leak detector
leakage
leakage
light crude oil
light emitting diode
lime
lime soda softening
line voltage
liquefaction
liquid
liquid absorbent
liquid impingement
liquid indicator
liquid line
liquid line charging valve
liquid nitrogen
liquid penetrant inspection
liquid receiver
liquid receiver service valve
liquid vapor valve refrigerant cylinder
liquor
lithium bromide
load
load (air conditioning)
load turbine (gas)
locked rotor current
longitudinal seam
low side
low temperature cutout, refrigeraton
low voltage
low side float valve
low side pressure
low side pressure control
lubricant
lubricant, bonded film
lubricant, bonded solid
lubricant, chlorinated
lubricant, synthetic
lubrication, aerodynamic
lubrication, aerostatics
lubrication, bath
lubrication, boundary
lubrication, drip feed
lubrication, dry film
lubrication, flood
lubrication, full film
lubrication, magnetohydrodynamic
lubrication, melt
lubrication, mist
lubrication, oil fog
lubrication, oil ring
lubrication, pad
lubrication, pressurized gas
lubrication, soli
lubrication, splash
lubrication, thick film
lubrication, thin film
lubrication, vapo
lubrication, waste
lubrication, wick
lubricity
magnesium
magnetic field
magnetic flux
magnetic iron oxide (fe3o2)
magnetic particle inspection
magnetic pole
magnetic refrigeration
makeup water
malleability
manganese
manifold, service
manifolding
manometer
manometer
manual frost control
mass
master (central) control
mcm
mechanical seals
mechanical wear
melting point
melting point
membrane
membrane
mercaptan
metallurgical factor
mica
michel thrust bearing
microbar
microfiltration
micron
microprocessor
mild steel
mill scale
mineral
miscibility
mix bed demineralizer
mixed pressure turbine
mixture
modulating
modulating control
modulating refrigeration cycle
modulus of elasticity (e)
moisture indicator
mollier diagram
monomer
motoer control center
mud drum
mullion heater
multiple stage compressor
multiple system
mult
multistage compression refrigeration system
multistage thermostat
naphta
natural circulation
natural convection
natural draft cooling tower
natural gas
naturally aspirated
nc
negative charge
net positive suction
neutral
neutralization number
neutralizer
neutralizing amines
newton
nipple
nitrogen blanketing
nitrogen dioxide
no
nobel metal
no frost freezer
noise
nominal size
nominal size tubing
non carbonated hardness
non code installation
non condensables
non destructive inspection (ndi)
non ferrous alloy
non frosting evaporator
non mechanical refrigeration
non reactive silica
normal carryover
normal charge
normally open
ntu
nucleate boiling
occlusion
octane rating
octyl alcohol
offset
ohm
ohm’s law
oil
oil binding
oil groove
oil ring lubrication
oil separator
oil, mineral
oil, multigrade
oil, neutral
oil, turbine
onc
on off control
open circuit
open cycle
open r
operating point
operating pressure
organic growth
organic material
organic oxygen scavengers
orifice
orsat analyzer
osha
osmosis
outside air opening (hvac)
overcurrent device
overflow pipe
overload
override
overspeed trip
oxidation
oxidizing agent
oxidizing atmosphere
oxidizing biocide
oxyacetylene welding
oxygen concentration cell
oxygen concentration cell
oxygen pitting
oxygen scavenger
ozone
package units, (refrigeration)
packed column
packing
packing
packing gland
parallel circuit
partial pressures
pascal
pascal's law
passivating (anodic) inhibitors
passivation
passivator
passivator
passiv
passivity
pathogenic bacteria
peak demand
peak load pricing
peaking load
peltier effect
perfect gas
permanent gases
permeability
petroleum oil
ph
ph of saturation (phs)
phase
phial
phosphate
phosphate treatment
physical stability
physical water treatment
pig iron
pilot duty relay
pilot oil pressure
pipe scale
pit
pitote tube
pits
pitting
plasticity
plenum chamber
plenum chamber
pneumatic
pneumati
poh
point, critical
polarity
polarize
pole
polyelectrolyte
polymer
polymeric dispersant
polyphosphate
polythropic process
porous vase
positive charge
potential energy
potential transformer
potentiometer
pour point
pou
power (p)
power element
power factor (pf)
power factor charge
power factor correction
ppb
precipitate
precipitating (cathodic) inhibitors
precipitation
precision phosphate treatment
predicting method
preignition
pressure
pressure drop
pressure gauge
pressure head
pressure motor control
pressure operated thermometer
pressure regulator, suction (refrigeration compressors)
pressure switch
pressure velocity
pressure, absolute
pressure, atmospheric
pressure, critical
pressure, gage
pressure, hydrostatic
pressure, operating
pressure, partial
pressure, saturatio
pressure, static
pressure, total
pressure, vapor
pressure heat diagram
pressurestat
pretreatment
primary air
primary constituents
primary control
primary element
primary system
prime mover
priming
process hot water
propane
proportional band
psi
psia
psig
psychrometer
psychrometer or wet bulb hygrometer
psychrometric chart
psychrometric measurement
psychrometry
pull down
pulsation dampener
puls
pump
pump down
pump, positive displacement
pump, rotary
pump discharge pressure
purging
purging valves
pyrometer
quality
quicklime
raceway
radiant heating
radiation
ram air
rankine scale
rankine temperature
rapture membrane
raw makeup water
raw water
reagent
r
receiver
receiver dehydrator
receiver heating element
receiver drier
reciprocal
reciprocating compressor
recording thermometer
rectifier
recuperator
red water
redox potential
reducing elbow
reducing flange
reducing nipple
reducing tee
reduction
reed valve
refrigerant
refrigerant
refrigerant charge
refrigerant control
refrigerating capacity
refrigerating effect
refrigeration
refrigeration oil
refrigerator
regenerant
regeneration
regenerative cycle
regenerative gas turbine
register
relative humidity
relative humidity (rh)
relative humidity
relay
relay, thermal
relief valve
remote system
remote temperature set point
reset
reset ratio
residual
resistance
resistance, thermal
resistive loads
restrictor
return air
retur
reverse cycle defrost
reverse cycle refrigeration
reverse deionization
reverse osmosis
reversible process
reversing valve
rinse
rotary compressor
rrosion, selective
running current
running time
rust
ryznar stability index
sacrificial anodes
sacrificial protection
saddle valve (tap a line)
safety can
safety control
safety plug
salinity
salt spitting
saturated air
saturated liquid
saturated vapor
saturation
saturation index
saturation pressure
saturation temperature
saybolt universal viscosity
scale
scale causing elements
scale removal
scc
screens
screw pump
scrubber
seal, magnetic
seal, rotary
second law of thermodynamics
secondary refrigerant
secondary system
secondary treatment
sedimentation
seebeck effect
sensible heat
sensible heat
sensible heat factor
sensing device
sensing element
separator
separator
sequencer
sequester
sequestrant
series circuit
service drop
service switch
service valve
set point
settling basin
shaft seal
sharp freezing
shed
shed mode
shell and tube flooded evaporator
shell type condenser
shel
shielded cable
shock dosage
shock feeder
short circuit
short cycling
shroud, pumps
shroud, turbines
shunt
sight glass
silica
silica gel
silica, colloidal
silica, volatile
silt density index
simple cycle
single phasing
single shaft gas turbine
single stage compressor
skin condenser
slime
sling psychrometer
sludge
slug
slugging
slurry
slurry erosion
soda ash
sodium chloride
sodium sulfite (na2s03)
sodium tracer method
sodium zeolite softening
soft water
softening
solar heat
solenoid valve
solid absorbent refrigeration
solid state halogen leak detector
soluble iron
sol
sour gas
sour water
sparger
specific conductance
specific gravity
specific heat
specific heat (cp)
specific humidity
specific volume
splash system, oiling
split stream dealkalizer
spray carryover
spray cooling
spray manifold
spray coil unit
spray cooling circuit
spread
stability index
standard air conditions
standard conditions
state
static head
static suction head
static suction lift
steam
steam drum
steam jet refrigeration
steam purity
steam quality
steam absorption condenser
steam absorption machine
stiction (static friction)
stoichiometric
stratified air
stress rapture
stuffing box
subcooling
subcooling
sublimation
sublimation
suction head
suction lift
suction lift
suction lift
suction line
suction pressure
suction pressure control valve
suction pressure control valve
suction service valve
suction side
sulfate
sulfite decomposition
sulfonic
sulfur dioxide (so2)
sun effect
superheat
superheated steam
superheated vapor
superheater
superheating
supersaturated solution
surface blowdown
surface heating
surfac
surfactant
surfactants
surge
surge surpressor
surge tank
suspended solids
swamp cooler
swelling
synergism
system
system, central fan
system, closed
system, duct
system, flooded
system, unitary
systems curve
tall pipe
tannins
temperature
temperature
temperature control
temperature critical
temperature, absolute zero
temperature, dewpoint
temperature, drybulb
temperature, effective
temperature, saturation
temperature, wet bulb
temperatur
tensile strength
tensile stress
tension
terminal velocity
the first law
the second law
therm
therm qty
thermal conductivity
thermal conductivity
thermal efficiency
thermal efficiency of a gas turbine
thermal electromotive force
thermal equilibrium
thermal expansion
thermal expansion valve
thermal shock
thermal treatment
thermistor
thermobank
thermocouple
thermocouple
thermocouple
thermocouple thermometer
thermodisk defrost control
thermodynamic properties
thermodynamics
thermoelectric refrigeration
thermoelectricity
thermometer
thermomodule
thermopile
thermostat
thermostatic control
thermostatic valve
thermostatic water valve
thre
threshold treatment
throttling
throttling range
time
titration
ton refrigeration unit
tonns of refrigeration
tool steel
total dynamic head
total heat
total heat (enthalpy)
total solids
tower fill
trace constituents
trancsmittance, therma (u factor)
transducer
transformer
transient constituents
transistor
treatment
tribology
tube sheet
tubercle
tuberculation
tub
turbidity
turbidity unit
turbine meter
turbulator
turner gauge
two temperature valve
two way valve
ultimate strength
ultra filtration
underdeposit attack
unitary system
unloader
upflow
upflow filter
upflow furnace
upstream
utility transformer
vacuum
vacuum breaker
vacuum pump
valve, modulating
valve, needle
valve, pop
valve, poppet
valve, pressure relief
valve, relief
valve, tw
vane
vapor
vapor barrier
vapor lock
vapor phase inhibitors
vapor pressure
vapor, saturated
vapor, superheated
vapor, water
vaporous carryover
velocity
velocity head
velocity head
velocity, terminal
vena contracta
vent
ventilation
venturi tube meter
viscosity
viscosity index
vital heat
volatile solids
volatile treatment
volatility
volt
voltage (e)
voltage drop
voltaic cell
volume, specific
volute
wal
waste water
water
water absorption
water hammer
water lubricant
water softener
water tube
water vapor
water, brakish
water, potable
water, sour
wate
waterleg
waterwall
watt (w)
weight to power ratio
wet bulb
wet bulb temperature (wb)
wet standby
we
windage drift
wobble plat
working fluid
zeolite
zeolite softening
zeta potential
zoning
Glossary of engineering and technical terms meaning and definition
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