A(n) ___ is a combustion control system that controls the amount of steam produced by changing the burner firing rate.
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A ___ provides access inside the water side of a boiler for…
A ___ provides access inside the water side of a boiler for inspection, sight, or cleaning.
Piping system designs vary depending on the degree of temper…
Piping system designs vary depending on the degree of temperature control desired and the specific application.
Suction lift is the pressure at a pump inlet when the liquid…
Suction lift is the pressure at a pump inlet when the liquid supply to the pump is taken from a tank or other supply source that is above the pump.
___ certification is required for technicians servicing low-…
___ certification is required for technicians servicing low-pressure appliances that use a refrigerant that boils above 50°F at atmospheric pressure.
A firebox boiler is a cylindrical scotch marine boiler.
A firebox boiler is a cylindrical scotch marine boiler.
A reciprocating compressor is a compressor that has reciproc…
A reciprocating compressor is a compressor that has reciprocating cylinders to compress refrigerant.
Suction lift is the pressure at a pump inlet when the liquid…
Suction lift is the pressure at a pump inlet when the liquid supply to the pump is taken from a tank or other supply source that is above the pump.
A feedwater ___ valve is located next to a feedwater stop va…
A feedwater ___ valve is located next to a feedwater stop valve and prevents feedwater from flowing from the boiler back to the feedwater pump.
A firebox boiler is a cylindrical scotch marine boiler.
A firebox boiler is a cylindrical scotch marine boiler.