PST Exit Exam • Set 5 Question 18 of 30

A life jacket light shall have a source of energy capable of providing a luminous intensity of for a period of :

✓

Direct Answer

Option C: 0.75 cd / 8 hours

LSA Code Chapter II mandates that life jacket lights must provide a luminous intensity of not less than 0.75 cd across a broad upper hemisphere for a minimum duration of 8 hours, guaranteeing sufficient visibility for search and rescue operations during nocturnal abandon-ship scenarios.

All Options

A

1.5 cd / 2 hours

B

10 cd / 12 hours

C

0.75 cd / 8 hours (Correct Answer)

D

0.5 cd / 4 hours

Detailed Explanation & Context

LSA Code Chapter II mandates that life jacket lights must provide a luminous intensity of not less than 0.75 cd across a broad upper hemisphere for a minimum duration of 8 hours, guaranteeing sufficient visibility for search and rescue operations during nocturnal abandon-ship scenarios.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Survival Techniques (PST).

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