GSK Exit Exam • Set 2 Question 29 of 30
Eccentric rollers are lifted on steel hatch covers
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Direct Answer
Option B: To make the hatch cover roll on the trackway
Eccentric rollers are part of the mechanism that allows steel hatch covers to be opened and closed. Lifting or rotating them disengages the cover from its locking position, enabling it to roll smoothly on its trackway.
All Options
A
Grease the eccentric rollers
B
To make the hatch cover roll on the trackway
(Correct Answer)
C
When the hatch cover has to be repaired
D
To batten down the hatch cover
Detailed Explanation & Context
Eccentric rollers are part of the mechanism that allows steel hatch covers to be opened and closed. Lifting or rotating them disengages the cover from its locking position, enabling it to roll smoothly on its trackway.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • General Ship Knowledge (GSK).
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