CHEMCO Exit Exam • Set 4 Question 11 of 30

Use of Pressure-Vacuum (PV) Relief Valve; label the diagram correctly,

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Direct Answer

Option C: 1-Deck Isolating Valve; 2- IG Main; 3- Vent Main; 4- By-Pass Valve; 5- PV valve; 6- Tank Isolating Valve

The diagram illustrates a typical Pressure-Vacuum (PV) relief valve setup for tank protection. The correct labeling identifies the Deck Isolating Valve (1), Inert Gas (IG) Main (2), Vent Main (3), By-Pass Valve (4), the PV valve itself (5), and the Tank Isolating Valve (6), ensuring proper system function as per ISGOTT.

All Options

1-IG Main; 2-Deck Isolating Valve ; 3- Vent Main; 4- By-Pass Valve; 5- PV valve; 6- Tank Isolating Valve

1-Deck Isolating Valve; 2- Vent Main; 3- IG Main; 4- By-Pass Valve; 5- PV valve; 6- Tank Isolating Valve

1-Deck Isolating Valve; 2- IG Main; 3- Vent Main; 4- By-Pass Valve; 5- PV valve; 6- Tank Isolating Valve (Correct Answer)

1-Deck Isolating Valve; 2- IG Main; 3- Vent Main; 4- By-Pass Valve; 5 - Tank Isolating Valve; 6- PV valve

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).

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Use of Pressure-Vacuum (PV) Relief Valve; label the diagram correctly,

Direct Answer

All Options

Detailed Explanation & Context

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