Question 139Steam Plants - Assistant Engineer
70% to passThe atmospheric drain tank (ADT) normally drains to the _______________.
Amain and/or auxiliary condenser
Bdistillate tank
Cmain and/or auxiliary air ejector condenser
Dreserve feed tanks
AI Explanation
The correct answer is A) main and/or auxiliary condenser. The atmospheric drain tank (ADT) on a vessel is used to collect condensate from various sources, such as vents and drains. This condensate is then normally drained into the main and/or auxiliary condenser, which is the correct destination as per marine engineering practices and regulations. The other answer choices are incorrect because: B) the distillate tank is used to store freshwater distillate, not receive drainage from the ADT; C) the main/auxiliary air ejector condenser is a separate component used for different purposes; and D) the reserve feed tanks are used to store boiler feedwater, not receive drainage from the ADT.
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