OCTCO/OCTF Exit Exam • Set 6 Question 21 of 30
In case of P/V valve for one tank is not working and the tank pressure is rising, what immediate actions are necessary usually set to follow?
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Direct Answer
Option D: Follow all the procedures (A) + (B) &(C)
If an individual tank P/V valve malfunctions and tank pressure rises abnormally, the crew should abort filling that tank, verify/free the valve manually if safe, and replace it with a tested vessel spare.
All Options
A
Abort filling that individual tank
B
Try to open the valve manually
C
Isolate the line and change the valve from vessels tested spare
D
Follow all the procedures (A) + (B) &(C)
(Correct Answer)
Detailed Explanation & Context
If an individual tank P/V valve malfunctions and tank pressure rises abnormally, the crew should abort filling that tank, verify/free the valve manually if safe, and replace it with a tested vessel spare.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).
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