Question 334Steam Plants - Assistant Engineer
70% to passA boiler internal feed pipe is perforated to _______________.
Areduce the weight of the steam drum internals
Bcreate a slight turbulence in the steam drum
Cdistribute water evenly throughout the steam drum
Dprovide positive flow to the downcomers
AI Explanation
The correct answer is C) distribute water evenly throughout the steam drum. The perforations in the boiler internal feed pipe are designed to spread the incoming feedwater evenly across the entire cross-section of the steam drum. This ensures a uniform water level and temperature distribution within the drum, which is important for the proper operation and circulation of the boiler system. The other options are incorrect because: A) reducing weight is not the primary purpose of the perforations, B) creating turbulence is not the main goal, and D) providing positive flow to the downcomers is a separate function of the feed pipe layout, not the perforations specifically.
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