Which of the following statements is true concerning the piping system shown in the illustration? SG-0005

Correct Answer: Option D — All of the above.

Marine steam diagrams and 46 CFR engineering standards designate specific pressures for auxiliary services. Soot blowers utilize high-pressure superheated steam, while air ejectors and whistles operate on regulated reduced auxiliary pressures such as 143 psi and 140 psi respectively.