Question 24Steam Plants - QMED

70% to pass

Where do fuel oil vapors tend to accumulate in an engine room?

AIn the upper engine room spaces, especially in the fidley.

BIn the lower engine room spaces, especially in the bilges.

CAt the point in the engine room where the vapors were initially formed.

DOil vapors tend to distribute throughout the engine room evenly.

AI Explanation

The correct answer is B) In the lower engine room spaces, especially in the bilges. Fuel oil vapors are heavier than air and tend to accumulate in the lower parts of the engine room, particularly in the bilges. This is due to the density of the vapors and the natural tendency for them to sink to the lowest available spaces. The bilges, being the lowest points in the engine room, are where these vapors will typically concentrate. The other answer choices are incorrect because the vapors do not selectively accumulate in the upper spaces (A), at the point of formation (C), or distribute evenly throughout the engine room (D).