Final answer:
The leakage test for a 46-man life raft is typically carried out for 24 hours to check its integrity and ensure it can effectively keep occupants safe in water emergency situations.
Step-by-step explanation:
The leakage test for a 46-man life raft is typically carried out for a duration of 24 hours.
During this test, the life raft is inflated and submerged in water, and its pressure is monitored to ensure that it remains stable without any significant loss of air.
This test is important to check the integrity of the life raft and ensure that it can effectively keep its occupants safe in water emergency situations.