What safety valve is fitted on cargo lines to relieve thermal expansion of trapped liquid?
Direct Answer
Option C: Thermal relief valve
Thermal relief valves are essential safety devices installed on cargo piping sections that can be isolated. They prevent over-pressurization caused by the expansion of trapped liquid as it warms, protecting the integrity of the piping system as mandated by IGC Code pressure relief requirements.
All Options
Detailed Explanation & Context
Thermal relief valves are essential safety devices installed on cargo piping sections that can be isolated. They prevent over-pressurization caused by the expansion of trapped liquid as it warms, protecting the integrity of the piping system as mandated by IGC Code pressure relief requirements.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Liquefied Gas Tanker Cargo Operations (GASCO).
Practice Full GASCO Set 2
Test yourself with 30 interactive questions, live timer, and instant score.