USCG Exam PracticeRefrigeration and air conditioning
In a shell-and-tube condenser on a marine refrigeration plant, which fluid flows through the tubes?
- A. High-pressure refrigerant vapor
- ✓ SeawaterCorrect
- C. Chilled water
- D. Low-pressure refrigerant vapor
Why B is correct
NAVEDTRA 14075 §6-3 states that in a water-cooled shell-and-tube condenser, seawater is pumped through the tubes while high-pressure refrigerant vapor fills the shell. The refrigerant condenses on the outside of the tubes and drains to the bottom of the shell.
Cited:NAVEDTRA 14075 §6-3