GASCO Exit Exam • Set 15 Question 5 of 30
On an lng tanker, during discharging which of the following is not a reason for opening the cargo discharge valve to about 10-20% before starting of cargo pump?
✓
Direct Answer
Option B: to achieve optimum flow rate of the pump
The correct answer is to achieve optimum flow rate of the pump. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.
All Options
A
to avoid vapor lock "bang" at discharge line curve before the valv
B
to achieve optimum flow rate of the pump
(Correct Answer)
C
to avoid damagee to te cargo discharge valv
D
to avoid low current trip
Detailed Explanation & Context
The correct answer is to achieve optimum flow rate of the pump. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Liquefied Gas Tanker Cargo Operations (GASCO).
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