Engine_2014 : Steam Plants - 601/1951
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| Natural circulation in a marine boiler is a result of __________. |
| A) the difference in the densities of the fluid in the downcomer and riser circuits |
| B) the fact that the specific weight of steam is greater than water |
| C) the velocity imparted to the feed water by the feed pump |
| D) the turbulence of high pressure feed water entering the steam drum |
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