Question 99General Subjects - Assistant Engineer
70% to passIn the unit illustrated, the feed water temperature is required to be increased to 165°F or greater and must exist at this temperature when leaving _______________. Illustration GS-0053
AI
BIII
CIV
DV
AI Explanation
The correct answer is D) V. The feed water temperature is required to be increased to 165°F or greater, and this temperature must exist when the feed water is leaving the fifth component (V) in the illustration GS-0053. This is typically the feed water heater, where the feed water temperature is raised to the required level before entering the boiler. The other answer choices are incorrect because they do not represent the component where the feed water must be at the required temperature. Options A, B, and C correspond to earlier components in the system, where the feed water temperature may not yet have reached the necessary 165°F or greater.
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