In a refrigeration system, the specific volume of the refrigerant is used in determining the size of the required compressor.
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Expansion bends are used to route steam lines around obstacl…
Expansion bends are used to route steam lines around obstacles.
High surface tension on boiler water is shown by ___.
High surface tension on boiler water is shown by ___.
One-pipe systems include direct-return and reverse-return sy…
One-pipe systems include direct-return and reverse-return systems.
Accident reports only include the name of the injured person…
Accident reports only include the name of the injured person and type of injury.
A ___ pump draws fuel oil from a fuel oil tank and delivers…
A ___ pump draws fuel oil from a fuel oil tank and delivers it to a burner at a controlled pressure.
A tankless boiler has an added heat exchanger to remove the…
A tankless boiler has an added heat exchanger to remove the required additional heat from the gases of combustion in order to allow the water vapor to condense.
___ are located on the blowdown line used to release water f…
___ are located on the blowdown line used to release water from the bottom of a boiler.
___ applications use steam to produce heat, force, and/or me…
___ applications use steam to produce heat, force, and/or mechanical action in a production application.
Vacuum is pressure ___ pressure.
Vacuum is pressure ___ pressure.