PSSR Exit Exam • Set 5 Question 11 of 30

What is the primary function of an Oily Water Separator (OWS) 15 ppm bilge alarm sensor?

✓

Direct Answer

Option A: To automatically divert discharge back to the bilge holding tank if oil exceeds 15 ppm

The 15 ppm bilge monitor continuously monitors effluent oil content and trips a 3-way solenoid valve to stop overboard discharge if oil exceeds 15 ppm.

All Options

To automatically divert discharge back to the bilge holding tank if oil exceeds 15 ppm (Correct Answer)

To heat the bilge water before overboard pumping

To inject chemical dispersant into the discharge pipe

To measure bilge pump pressure

Detailed Explanation & Context

The 15 ppm bilge monitor continuously monitors effluent oil content and trips a 3-way solenoid valve to stop overboard discharge if oil exceeds 15 ppm.

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

Practice Full PSSR Set 5

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 5

View All 30 →

Q1 Under MARPOL Annex I, what is the maximum allowable oil content of discharge from the bilge of a ship outside special areas while en route? Q2 What permit is mandatory before any work involving naked flames, welding, or spark-producing tools can be carried out outside the workshop? Q3 Prior to entering an enclosed space, what is the minimum required oxygen content percentage by volume? Q4 What safety precaution must be taken when a seafarer is working at height above 2 meters over an open deck or over the side? Q5 What is the primary objective of Lockout / Tagout (LOTO) procedures on board? Q6 What general emergency alarm signal is sounded on a ship's whistle and internal alarm system? Q7 Which MARPOL Annex regulates the prevention of pollution by garbage from ships? Q8 What safety document provides essential health, hazard, and emergency response information for chemicals handled on board? Q9 What action must be taken immediately if a crew member witnesses someone falling overboard? Q10 Under MARPOL Annex VI, what is the global maximum allowable sulfur content in marine fuel oil outside Emission Control Areas (ECAs) as of 2020?