USCG Exam PracticeRefrigeration and air conditioning
In a shell-and-tube condenser on a marine refrigeration plant, the high-pressure refrigerant vapor occupies which portion of the condenser?
- A. Inside the tubes, with seawater flowing around the outside
- ✓ The shell side, surrounding the tubes through which seawater is pumpedCorrect
- C. A separate receiver tank mounted below the condenser shell
- D. The tube side, with air blown over finned coils on the shell
Why B is correct
NAVEDTRA 14075 §6-3 states that in a water-cooled shell-and-tube condenser, high-pressure refrigerant vapor fills the shell around a bundle of tubes through which seawater is pumped, and the vapor condenses on the outside of the tubes.
Cited:NAVEDTRA 14075 §6-3