Question 132General Subjects - Assistant Engineer70% to pass
Where is the latent heat obtained to create vapor from the feed water in the illustrated distiller? Illustration MO-0111

AI Explanation
The correct answer is C) From having passed through "23".
The latent heat required to create vapor from the feed water in the illustrated distiller is obtained as the feed water passes through device "23", which is the distillation chamber or evaporation section. In this chamber, the feed water is heated to the point of evaporation, and the latent heat required for this phase change is drawn from the heat source, such as the engine exhaust or other heat source.
The other answer choices are incorrect because: A) the heat exchanger "3" is used to pre-heat the feed water, but does not provide the latent heat for evaporation; B) device "20" is likely a separator or demister, not the source of latent heat; and D) device "24" is likely a condenser, which removes latent heat from the vapor, rather than providing it.
Related Questions
#130 Item "10" shown in the illustration is used to _______________. Illustration MO-0111 #131 Which device is used to prevent over pressurization of the illustrated distiller? Illustration MO-0111 #133 Excess brine accumulated in the distiller, shown in the illustration, is removed during normal operation by _______________. Illustration MO-0111 #134 Which of the following statements describes the approximate relation between the feed water entering the unit shown in the illustration and brine being removed? Illustration MO-0111 #135 Which of the following statements describes what will occur to the volume of water vapor as it is exposed to the lower temperatures existing in the device labeled "24" shown in the illustration? Illustration MO-0111