Question 11Steam Plants - Assistant Engineer70% to pass
From which of the areas listed are condensate drains normally collected and returned to the low-pressure drain system?
AI Explanation
The correct answer is D) Main and auxiliary air ejector after condensers.
Condensate drains from the main and auxiliary air ejector after condensers are normally collected and returned to the low-pressure drain system. This is because the air ejectors handle the non-condensable gases in the steam system, and the condensate from the after condensers needs to be returned to the feedwater system.
The other options are incorrect because:
A) The steam whistle separator/trap is not a source of condensate that is returned to the low-pressure drain system.
B) Steam systems operating in excess of 150 psi do not directly relate to where condensate drains are collected.
C) The main feed pump steam supply line is not a source of condensate that is returned to the low-pressure drain system.
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