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
  •  

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