PSSR Exit Exam • Set 2 Question 20 of 30

Which of the following statements regarding primary battery cells used on board is correct?

✓

Direct Answer

Option B: Used primary cells must be discarded after use

Primary battery cells are non-rechargeable electrochemical units. Once their chemical potential is depleted, they cannot be restored through charging or refilling and must be disposed of according to the ship's waste management plan.

All Options

Used primary cells can be fully recharged

Used primary cells must be discarded after use (Correct Answer)

None of the above

Used primary cells can be refilled and reused

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Safety & Social Responsibilities (PSSR).

Practice Full PSSR Set 2

Test yourself with 30 interactive questions, live timer, and instant score.

Launch Practice Simulator →

Question Discussion & Notes

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...

« Previous Question Next Question »

More Questions in PSSR Set 2

View All 30 →

Q1 What is the primary safety duty for an individual crew member on board a vessel? Q2 When finding yourself working in a noise-heavy engine room environment, what protective equipment is considered most necessary? Q3 If you discover a fire in the engine room or galley space, what should your immediate first step be? Q4 Under Maritime Labour Convention (MLC) standards, what document must be signed by both the seafarer and the shipowner (or representative) outlining employment terms? Q5 According to international MARPOL regulations designed to control marine pollution, which of the following records is mandatory to log oil-related machinery space operations? Q6 To ensure safety and prevent onboard transmission of pathogens, how should specialized bio-medical waste or clinical sharps generated on board be managed? Q7 Under the International Convention on Standards of Training, Certification and Watchkeeping (STCW), what is the minimum mandatory period of rest required for watchkeeping personnel in any 24-hour period? Q8 What is the standard spoken emergency distress signal used over a VHF radio to indicate a vessel is in imminent danger? Q9 When rescuing a person from a confined space, what is the absolute priority required to consider the space safe for entry? Q10 A negative attitude, inability to manage time, and low self-esteem are personal factors that add to seafarer stress. These fall under: