You are installing a new refrigeration system aboard your vessel. The system comes with a 240 psi rupture disk, a safety valve set at 240 psi and a pressure gauge connection and gauge. According to the federal code of regulations, what is the preferred setup for installing the equipment on the condenser?

Correct Answer: Option D — Safety valve closest to the condenser, then pressure gage then rupture disk in series after the safety valve.

Under USCG National Maritime Center examination standards, the accepted correct answer is: Safety valve closest to the condenser, then pressure gage then rupture disk in series after the safety valve..