What component of a boiler consists of valves, fittings, piping, and connections suitable for the pressure of the steam being transported?
A. Burners
B. Boiler feedwater system
C. Economizer
D. Steam distribution system
A. Incorrect. Burners inject air and fuel through a distribution system that mixes them in proper concentrations, so combustion can occur.
B. Incorrect. The boiler feedwater supply is a critical part of steam generation. There must always be as many pounds of water entering the system as there are pounds of steam leaving.
C. Incorrect. The economizer is the section of a boiler used to preheat feedwater before it enters the main boiler system.
D. Correct. The steam distribution system consists of valves, fittings, piping, and connections suitable for the pressure of the steam being transported.
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