Question 12 of 30
Eccentric rollers are lifted on steel hatch covers
A
To batten down the hatch cover
B
To make the hatch cover roll on the trackway
C
When the hatch cover has to be repaired
D
Grease the eccentric rollers
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Answer & Explanation
The correct answer is 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.