GSK Exit Exam • Set 15 Question 25 of 30
Preventer guy is used when the derrick is working as a
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Direct Answer
Option A: Union purchase
A preventer guy is a critical component used when the derrick is rigged for a union purchase. It provides additional stability and control, preventing excessive swinging of the cargo block and ensuring safe operation.
All Options
A
Union purchase
(Correct Answer)
B
Jumbo derrick
C
Swinging derrick
D
Stulcken derrick
Detailed Explanation & Context
A preventer guy is a critical component used when the derrick is rigged for a union purchase. It provides additional stability and control, preventing excessive swinging of the cargo block and ensuring safe operation.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • General Ship Knowledge (GSK).
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