CHEMCO Exit Exam • Set 5 Question 1 of 30

Identify correct labelling for Tanker VEC

✓

Direct Answer

Option D: 1- P/V Valve; 2- Mast Riser; 3- P/V Breaker; 4 - Deck water seal

A typical Tanker Vapor Emission Control (VEC) system includes a P/V valve, a mast riser for venting, a P/V breaker (often a deck water seal), and associated piping, with the arrangement specified in operational manuals.

All Options

1- P/V Valve; 2- P/V Breaker; 3- Mast Riser; 4 - Deck water seal

1- P/V Valve; 2- P/V Breaker; 3- Deck water seal; 4- Mast Riser

1- Mast Riser; 2- P/V Breaker; 3- P/V Valve; - Deck water seal

1- P/V Valve; 2- Mast Riser; 3- P/V Breaker; 4 - Deck water seal (Correct Answer)

Detailed Explanation & Context

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

Practice Full CHEMCO Set 5

Test yourself with 30 interactive questions, live timer, and instant score.

Launch Practice Simulator →

Question Discussion & Notes

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...

« Previous Question Next Question »

More Questions in CHEMCO Set 5

View All 30 →

Q1 The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge and in a few minutes the pressure drops sharply. This could be a result of the ___________. Q2 A restricted tank gauging system Q3 The lowest temperature at which the liquid remains a fluid is called the: Q4 Devices that release small amount of liquid or vapor while in use are known as ______ devices. Q5 An inert gas system installed on a tanker is designed to Q6 For the purposes of cargo oil containment, the fixed container under the manifold of an eight-inch loading line must hold a minimum of Q7 What is the purpose of the relief valve of a cargo pump? Q8 Identify correct labelling for Tanker VEC Q9 A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a _____. Q10 Hydrocarbon gas normally encounted in petroleum tankers cannot burn in an atmosphere containing oxygen less than