Engine_2014 : Steam Plants - 199/1951
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| Before giving a boiler a surface blow when underway at sea, you should __________ . |
| A) raise the water level 2 or 3 inches above normal |
| B) lower the water level 2 to 3 inches below normal |
| C) increase forced draft air pressure to maximum |
| D) temporarily secure all burners on that boiler |
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