Mechanical draft is produced by a fan or blower.
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A lithium bromide-water absorption chiller system is an abso…
A lithium bromide-water absorption chiller system is an absorption chiller system that uses water as the refrigerant and a solution of lithium bromide and water as the absorbent.
The disc and seat of a globe valve can be replaced without r…
The disc and seat of a globe valve can be replaced without removing the valve body from its installed position.
Mechanical draft is produced by a fan or blower.
Mechanical draft is produced by a fan or blower.
A(n) ___ burner is a small burner located near burner tubes…
A(n) ___ burner is a small burner located near burner tubes that ignites the air-fuel mixture released into the burner.
A ___ can save energy because it can precisely control a fan…
A ___ can save energy because it can precisely control a fan’s motor speed so that the fan volume more efficiently matches the boiler air flow requirements.
A probe-type low water fuel cutoff uses ___ to complete a bu…
A probe-type low water fuel cutoff uses ___ to complete a burner control circuit.
Water cannot be used as a secondary refrigerant in any appli…
Water cannot be used as a secondary refrigerant in any application where the temperature is below ___°F.
An automatic makeup water feeder is equipped with a ___.
An automatic makeup water feeder is equipped with a ___.
A ___ is used to prevent a dangerous vacuum from forming in…
A ___ is used to prevent a dangerous vacuum from forming in a boiler when it is taken out of service.