Engine_2014 : Steam Plants - 270/1951
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| Coast Guard Regulations (46 CFR) state that main propulsion water-tube boilers are not required to be fitted with a surface blow off valve if the design pressure is __________. |
| A) 300 psig (2169 kPa) or over |
| B) 350 psig (2413 kPa) or over |
| C) 500 psig (3548 kPa) or over |
| D) 550 psig (3893 kPa) or over |
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