GSK Exit Exam • Set 2 Question 23 of 30
Hatches are battened down by
✓
Direct Answer
Option A: Cross wedges
On steel hatch covers, eccentric rollers are rotated to secure them. When the hatch is closed, turning the eccentric rollers wedges the cover in place, providing a watertight and secure seal.
All Options
A
Cross wedges
(Correct Answer)
B
Placing locking pins
C
Lowering eccentric rollers
D
Covering with tarpaulin
Detailed Explanation & Context
On steel hatch covers, eccentric rollers are rotated to secure them. When the hatch is closed, turning the eccentric rollers wedges the cover in place, providing a watertight and secure seal.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • General Ship Knowledge (GSK).
Advertisement
Practice Full GSK Set 2
Test yourself with 30 interactive questions, live timer, and instant score.