From which component does the main feed booster pump draw suction to feed water?

Prepare for the Machinist’s Mate Test 3 with our comprehensive quiz. Explore multiple choice questions, flashcards with hints, and detailed explanations to boost your readiness for success!

Multiple Choice

From which component does the main feed booster pump draw suction to feed water?

Explanation:
The main feed booster pump draws suction from the Deaerating Feed Tank. This tank provides deaerated, preheated water stored at a stable level, which ensures low dissolved gases and a reliable suction head for the pump. The other components play different roles in the cycle—an economizer preheats water but isn’t a reservoir for suction, a desuperheater adds water to reduce steam temperature, and the boiler drum is where steam forms, not a feedwater suction source.

The main feed booster pump draws suction from the Deaerating Feed Tank. This tank provides deaerated, preheated water stored at a stable level, which ensures low dissolved gases and a reliable suction head for the pump. The other components play different roles in the cycle—an economizer preheats water but isn’t a reservoir for suction, a desuperheater adds water to reduce steam temperature, and the boiler drum is where steam forms, not a feedwater suction source.

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