Question 4 of 30
The function of a hydrostatic release unit (HRU) is:
A
To launch the lifeboat manually
B
To automatically unhook the lashing and release the life raft when the ship sinks
C
To measure the depth of the sea
D
To pump water out of the life raft
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Answer & Explanation
The correct answer is Option B: To automatically unhook the lashing and release the life raft when the ship sinks.
A Hydrostatic Release Unit (HRU) is a pressure-sensitive device that automatically releases the life raft's lashing when submerged to a depth of 1.5 to 4 meters, allowing the raft to float free as the ship sinks.