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CHEMCO Exit Exam • Set 9 Question 24 of 30

What types of mooring lines are used for larger tankers?

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Direct Answer

Option A: Ropes with high elastic elongation properties

Larger tankers require mooring lines with high elastic elongation to absorb significant shock loads from wave action and vessel movement, preventing excessive strain on the lines and mooring equipment. This property is crucial for maintaining mooring integrity under dynamic conditions, as per ISGOTT guidelines.

All Options

A
Ropes with high elastic elongation properties (Correct Answer)
B
Ropes with low plastic elongation properties
C
Ropes with high modulus of rigidity
D
Strain hardened ropes

Detailed Explanation & Context

Larger tankers require mooring lines with high elastic elongation to absorb significant shock loads from wave action and vessel movement, preventing excessive strain on the lines and mooring equipment. This property is crucial for maintaining mooring integrity under dynamic conditions, as per ISGOTT guidelines.

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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