GSK Exit Exam • Set 4 Question 6 of 30
Blocks are greased to
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Direct Answer
Option D: Allow free rotation of sheaves
Blocks are greased to ensure the free and smooth rotation of the sheaves. This reduces friction and wear on the sheave and the rope, which is vital for efficient operation and preventing damage.
All Options
A
Keep the check nut tight
B
Maintain the SWL of the block
C
Prevent Accidents
D
Allow free rotation of sheaves
(Correct Answer)
Detailed Explanation & Context
Blocks are greased to ensure the free and smooth rotation of the sheaves. This reduces friction and wear on the sheave and the rope, which is vital for efficient operation and preventing damage.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • General Ship Knowledge (GSK).
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