A ___ is a subatomic particle that has a positive eletrical charge of one unit
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Proton
___ lay-up is storage of a boiler with all water drained.
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Dry
A ___ switch is a switch that is operated by a person
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Manual
___ air is the air from within a building space that is drawn back into a forced-air
HVAC system to be exhausted or reconditioned.
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Return
___ is water that is supplied to a boiler at the proper temperature and pressure.
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Feed water System
In a pneumatic control system, the ___ becomes brittle and may crack or pop off
fittings as it ages.
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Plastic tubing
A ___ is the power available from the evaporation of 34.5 lb of water per hour at a
feedwater temperature of 212°F.
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Boiler Horsepower (BHP)
A therm is a unit of heat energy equivalent to ___ btu
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100,000
Water-to-air heat pump problems are usually related to the ___
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Water Source
___ is the natural rising of hot air up the center of a building through elevator shafts,
stairwells, and service columns
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Stack effect
An ____ is a subatomic particle that has a negative electrical charge of one unit
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, Electron
A ____ compressor is a sealed compressor that can be serviced through removable
access plates.
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Semihermetic
A ___ is an electric device that converts mechanical energy into electrical energy by
means of electromagnetic induction.
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Generator
An air ___ is a porous device that removes particulates from air.
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Filter
A pneumatic ___ is a device that uses air pressure to position HVAC components.
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Proton
___ lay-up is storage of a boiler with all water drained.
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Dry
A ___ switch is a switch that is operated by a person
,Give this one a try later!
Manual
___ air is the air from within a building space that is drawn back into a forced-air
HVAC system to be exhausted or reconditioned.
Give this one a try later!
Return
___ is water that is supplied to a boiler at the proper temperature and pressure.
Give this one a try later!
Feed water System
In a pneumatic control system, the ___ becomes brittle and may crack or pop off
fittings as it ages.
Give this one a try later!
Plastic tubing
A ___ is the power available from the evaporation of 34.5 lb of water per hour at a
feedwater temperature of 212°F.
,Give this one a try later!
Boiler Horsepower (BHP)
A therm is a unit of heat energy equivalent to ___ btu
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100,000
Water-to-air heat pump problems are usually related to the ___
Give this one a try later!
Water Source
___ is the natural rising of hot air up the center of a building through elevator shafts,
stairwells, and service columns
Give this one a try later!
Stack effect
An ____ is a subatomic particle that has a negative electrical charge of one unit
Give this one a try later!
, Electron
A ____ compressor is a sealed compressor that can be serviced through removable
access plates.
Give this one a try later!
Semihermetic
A ___ is an electric device that converts mechanical energy into electrical energy by
means of electromagnetic induction.
Give this one a try later!
Generator
An air ___ is a porous device that removes particulates from air.
Give this one a try later!
Filter
A pneumatic ___ is a device that uses air pressure to position HVAC components.
Give this one a try later!
