Engine : Steam Plants - 695/811
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| According to Coast Guard Regulations (46 CFR), which of the following is permitted in boiler fuel oil service system discharge piping? |
| A) Pipe unions one inch or greater in diameter. |
| B) Street ells made of carbon steel. |
| C) Bushings made of seamless steel. |
| D) Screwed bonnet valves of the union bonnet type. |
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