Question 190Motor Plants - 1st Asst/Chief
70% to passCasing drains may be required on a waste heat boiler gas passage side to_______________.
Aprevent an accumulation of boiler water entering gas passages as a result of a pinhole tube leak
Bas a means to sample stack gases for testing
Crelease excess pressure
Ddrain off condensation
AI Explanation
The correct answer is D) drain off condensation. Casing drains on a waste heat boiler gas passage side are required to allow any condensation that forms in the gas passages to be drained off. This prevents the accumulation of water in the gas passages, which could potentially cause corrosion or other issues. The other answer choices are incorrect: A) is not the purpose of casing drains, B) refers to a different function, and C) is not the primary reason for casing drains on a waste heat boiler.
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