Question 55Steam Plants - 1st Asst/Chief
70% to passThe internal feed pipe in a D-type marine boiler _______________.
Adistributes feed water evenly throughout the steam drum
Bis drilled with holes to provide even distribution of boiler feed water chemicals
Cis located well above the normal steam drum water level to assist in deaeration of feed water
Dguides the feed water toward the downcomer tubes
AI Explanation
The correct answer is A) distributes feed water evenly throughout the steam drum. The internal feed pipe in a D-type marine boiler is designed to ensure the even distribution of feed water throughout the steam drum. This even distribution helps maintain a consistent water level and temperature in the boiler, which is essential for efficient and safe boiler operation. The other answer choices are incorrect because: B) relates to the distribution of boiler feed water chemicals, not the physical distribution of the feed water itself; C) describes the location of the deaerator, not the feed pipe; and D) refers to the downcomer tubes, which are a separate component from the internal feed pipe.
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