Question 586General Subjects - Assistant Engineer70% to pass
Referring to the illustrated motor ship fresh water cooling system drawing, what statement is true concerning the main engine jacket water cooling system heat recovery capability as associated with generating fresh water? Illustration MP-CW-06
AI Explanation
The correct answer is D) The evaporator itself is used as a main engine heat recovery device for use in generating fresh water at the evaporator.
The evaporator is the component that utilizes the waste heat from the main engine's cooling system to generate fresh water through the process of distillation. The main engine jacket water is circulated through the evaporator, where the heat is transferred to the seawater or brackish water in the evaporator, causing it to evaporate and then condense as fresh water. This heat recovery process is a key function of the evaporator in a marine fresh water generation system.
The other answer choices are incorrect because the main engine jacket water heater, cooler, and the evaporator standby heater are not the primary heat recovery devices for generating fresh water in this system. They may serve other support functions, but the evaporator itself is the main component responsible for utilizing the main engine's waste heat to produce fresh water.
Related Questions
#583 Referring to the illustrated steam plant sea water cooling system drawing, what statement is true concerning main circulating to auxiliary circulating sea water system cross-connect capability? Illustration SP-SW-01 #584 Classification society requirements stipulate that main sea water cooling pumps be furnished with redundancy with either two dedicated pumps or with one dedicated pump and one standby pump available for other sea water services. Referring to the illustrated motor ship sea water cooling system drawing, what statement is true concerning meeting these classification society requirements? Illustration MP-CW-01 #587 Referring to the illustrated motor ship fresh water cooling system drawing, what statement is true concerning the jacket water heater? Illustration MP-CW-06 #589 For a typical diesel engine jacket water cooling system, what location would be generally used to introduce water treatment chemicals? #590 Referring to the illustrated motor ship fresh water cooling system drawing, what statement is true concerning the evaporator? Illustration MP-CW-06