RPST Exit Exam • Set 2 Question 7 of 30
The function of hydrostatic release unit is ______
✓
Direct Answer
Option B: To automatically unhook the lashing and release the life raft when the ship sinks
The primary function of a hydrostatic release unit (HRU), as per the LSA Code, Section 4.1.5, is to automatically release the life raft's painter and lashings when the ship sinks to a depth of approximately 4 meters.
All Options
A
Substitute for limit switch of gravity davits
B
To automatically unhook the lashing and release the life raft when the ship sinks
(Correct Answer)
C
For releasing life raft in bad weather
D
For releasing life raft from sinking vesse
Detailed Explanation & Context
The primary function of a hydrostatic release unit (HRU), as per the LSA Code, Section 4.1.5, is to automatically release the life raft's painter and lashings when the ship sinks to a depth of approximately 4 meters.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Personal Survival Techniques (RPST).
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