CHEMCO Exit Exam • Set 5 Question 13 of 30

Which characteristic is an advantage of a butterfly valve as compared to a gate valve?

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Direct Answer

Option B: Quick operation

Butterfly valves offer quick operation due to their simple quarter-turn mechanism, allowing rapid opening and closing. While they offer some flow control, they are not as precise as other valve types and can create resistance when fully open.

All Options

Precise control over cargo flow

Quick operation (Correct Answer)

No resistance to cargo flow when open

Less maintenance required

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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